10121202012 has 24 divisors (see below), whose sum is σ = 23748076800. Its totient is φ = 3354885616.

The previous prime is 10121201971. The next prime is 10121202053. The reversal of 10121202012 is 21020212101.

It is an interprime number because it is at equal distance from previous prime (10121201971) and next prime (10121202053).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2353812 + ... + 2358107.

It is an arithmetic number, because the mean of its divisors is an integer number (989503200).

Almost surely, 2^10121202012 is an apocalyptic number.

10121202012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121202012 is an abundant number, since it is smaller than the sum of its proper divisors (13626874788).

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

10121202012 is a wasteful number, since it uses less digits than its factorization.

10121202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712105 (or 4712103 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10121202012 its reverse (21020212101), we get a palindrome (31141414113).

The spelling of 10121202012 in words is "ten billion, one hundred twenty-one million, two hundred two thousand, twelve".