10121011210212 has 72 divisors (see below), whose sum is σ = 27525288107520. Its totient is φ = 2886036229440.

The previous prime is 10121011210201. The next prime is 10121011210339. The reversal of 10121011210212 is 21201211012101.

It is a happy number.

It is a super-3 number, since 3×10121011210212³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10121011210191 and 10121011210200.

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 23 ways as a sum of consecutive naturals, for example, 16608964 + ... + 17207547.

It is an arithmetic number, because the mean of its divisors is an integer number (382295668160).

Almost surely, 2^{10121011210212} is an apocalyptic number.

10121011210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10121011210212 is an abundant number, since it is smaller than the sum of its proper divisors (17404276897308).

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

10121011210212 is a wasteful number, since it uses less digits than its factorization.

10121011210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33817041 (or 33817032 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10121011210212 its reverse (21201211012101), we get a palindrome (31322222222313).

The spelling of 10121011210212 in words is "ten trillion, one hundred twenty-one billion, eleven million, two hundred ten thousand, two hundred twelve".