12010121210 has 16 divisors (see below), whose sum is σ = 21633696000. Its totient is φ = 4800608976.

The previous prime is 12010121203. The next prime is 12010121273. The reversal of 12010121210 is 1212101021.

It is a super-2 number, since 2×12010121210² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12010121191 and 12010121200.

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, 415250 + ... + 443229.

It is an arithmetic number, because the mean of its divisors is an integer number (1352106000).

Almost surely, 2^12010121210 is an apocalyptic number.

12010121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12010121210 is a deficient number, since it is larger than the sum of its proper divisors (9623574790).

12010121210 is a wasteful number, since it uses less digits than its factorization.

12010121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859885.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010121210 its reverse (1212101021), we get a palindrome (13222222231).

The spelling of 12010121210 in words is "twelve billion, ten million, one hundred twenty-one thousand, two hundred ten".