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1212010021122 = 231811333183717
BaseRepresentation
bin10001101000110001011…
…011010100000100000010
311021212102001200101201120
4101220301123110010002
5124324144031133442
62324442325013110
7153364511124615
oct21506133240402
94255361611646
101212010021122
1142801307278a
12176a8b854196
138a3a484a894
14429395d417c
15217d928a4ec
hex11a316d4102

1212010021122 has 32 divisors (see below), whose sum is σ = 2437624373184. Its totient is φ = 401736340800.

The previous prime is 1212010021039. The next prime is 1212010021133. The reversal of 1212010021122 is 2211200102121.

It is a super-2 number, since 2×12120100211222 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14435608 + ... + 14519324.

It is an arithmetic number, because the mean of its divisors is an integer number (76175761662).

Almost surely, 21212010021122 is an apocalyptic number.

1212010021122 is an abundant number, since it is smaller than the sum of its proper divisors (1225614352062).

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

1212010021122 is a wasteful number, since it uses less digits than its factorization.

1212010021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97234.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212010021122 its reverse (2211200102121), we get a palindrome (3423210123243).

The spelling of 1212010021122 in words is "one trillion, two hundred twelve billion, ten million, twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 181 362 543 1086 13331 26662 39993 79986 83717 167434 251151 502302 2412911 4825822 7238733 14477466 15152777 30305554 45458331 90916662 1116031327 2232062654 3348093981 6696187962 202001670187 404003340374 606005010561 1212010021122