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1222002202112 = 2917387715731
BaseRepresentation
bin10001110010000101000…
…000011101011000000000
311022211012102201210011222
4101302011000131120000
5130010130030431422
62333214032054212
7154200232222616
oct21620500353000
94284172653158
101222002202112
114312804271aa
121789ba094368
138b307a2b103
14432066bd6b6
1521bc1601842
hex11c8501d600

1222002202112 has 80 divisors (see below), whose sum is σ = 2458687513392. Its totient is φ = 606738063360.

The previous prime is 1222002202103. The next prime is 1222002202133. The reversal of 1222002202112 is 2112022002221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77673287 + ... + 77689017.

Almost surely, 21222002202112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222002202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229343756696).

1222002202112 is an abundant number, since it is smaller than the sum of its proper divisors (1236685311280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222002202112 is an equidigital number, since it uses as much as digits as its factorization.

1222002202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16799 (or 16783 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222002202112 its reverse (2112022002221), we get a palindrome (3334024204333).

The spelling of 1222002202112 in words is "one trillion, two hundred twenty-two billion, two million, two hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 128 173 256 346 512 692 877 1384 1754 2768 3508 5536 7016 11072 14032 15731 22144 28064 31462 44288 56128 62924 88576 112256 125848 151721 224512 251696 303442 449024 503392 606884 1006784 1213768 2013568 2427536 2721463 4027136 4855072 5442926 8054272 9710144 10885852 13796087 19420288 21771704 27592174 38840576 43543408 55184348 77681152 87086816 110368696 174173632 220737392 348347264 441474784 696694528 882949568 1393389056 1765899136 2386723051 3531798272 4773446102 7063596544 9546892204 19093784408 38187568816 76375137632 152750275264 305500550528 611001101056 1222002202112