10012121011210 has 32 divisors (see below), whose sum is σ = 18071049326400. Its totient is φ = 3993921644928.

The previous prime is 10012121011181. The next prime is 10012121011271. The reversal of 10012121011210 is 1211012121001.

It is a happy number.

It is a super-2 number, since 2×10012121011210² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5058229 + ... + 6753511.

It is an arithmetic number, because the mean of its divisors is an integer number (564720291450).

Almost surely, 2^{10012121011210} is an apocalyptic number.

10012121011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10012121011210 is a deficient number, since it is larger than the sum of its proper divisors (8058928315190).

10012121011210 is a wasteful number, since it uses less digits than its factorization.

10012121011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696902.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10012121011210 its reverse (1211012121001), we get a palindrome (11223133132211).

The spelling of 10012121011210 in words is "ten trillion, twelve billion, one hundred twenty-one million, eleven thousand, two hundred ten".