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1212211010122 = 2786586500723
BaseRepresentation
bin10001101000111101011…
…010000001101001001010
311021212221001212200210121
4101220331122001221022
5124330102004310442
62324514304533454
7153402501401440
oct21507532015112
94255831780717
101212211010122
114281065707a2
12176b2702128a
138a407390098
1442958192b90
15217ebc3c967
hex11a3d681a4a

1212211010122 has 8 divisors (see below), whose sum is σ = 2078076017376. Its totient is φ = 519519004332.

The previous prime is 1212211010117. The next prime is 1212211010149. The reversal of 1212211010122 is 2210101122121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1212211010096 and 1212211010105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43293250348 + ... + 43293250375.

It is an arithmetic number, because the mean of its divisors is an integer number (259759502172).

Almost surely, 21212211010122 is an apocalyptic number.

1212211010122 is a deficient number, since it is larger than the sum of its proper divisors (865865007254).

1212211010122 is an equidigital number, since it uses as much as digits as its factorization.

1212211010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86586500732.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1212211010122 its reverse (2210101122121), we get a palindrome (3422312132243).

The spelling of 1212211010122 in words is "one trillion, two hundred twelve billion, two hundred eleven million, ten thousand, one hundred twenty-two".

Divisors: 1 2 7 14 86586500723 173173001446 606105505061 1212211010122