100612071222 has 32 divisors (see below), whose sum is σ = 217054246752. Its totient is φ = 30907371264.

The previous prime is 100612071169. The next prime is 100612071239. The reversal of 100612071222 is 222170216001.

It is a junction number, because it is equal to n+sod(n) for n = 100612071192 and 100612071201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997173 + ... + 1093424.

It is an arithmetic number, because the mean of its divisors is an integer number (6782945211).

Almost surely, 2^100612071222 is an apocalyptic number.

100612071222 is an abundant number, since it is smaller than the sum of its proper divisors (116442175530).

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

100612071222 is a wasteful number, since it uses less digits than its factorization.

100612071222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091232.

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 100612071222 its reverse (222170216001), we get a palindrome (322782287223).

The spelling of 100612071222 in words is "one hundred billion, six hundred twelve million, seventy-one thousand, two hundred twenty-two".