10121022612 has 72 divisors (see below), whose sum is σ = 25766828360. Its totient is φ = 3349589760.

The previous prime is 10121022601. The next prime is 10121022677. The reversal of 10121022612 is 21622012101.

10121022612 is a `hidden beast` number, since 10 + 1 + 21 + 0 + 22 + 612 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1191906576 + 8929116036 = 34524^2 + 94494^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6964878 + ... + 6966330.

Almost surely, 2^10121022612 is an apocalyptic number.

10121022612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121022612 is an abundant number, since it is smaller than the sum of its proper divisors (15645805748).

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

10121022612 is a wasteful number, since it uses less digits than its factorization.

10121022612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713 (or 2708 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10121022612 its reverse (21622012101), we get a palindrome (31743034713).

The spelling of 10121022612 in words is "ten billion, one hundred twenty-one million, twenty-two thousand, six hundred twelve".