12010021210212 has 24 divisors (see below), whose sum is σ = 28025778107712. Its totient is φ = 4002998220000.

The previous prime is 12010021210189. The next prime is 12010021210237. The reversal of 12010021210212 is 21201212001021.

It is a super-2 number, since 2×12010021210212² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12010021210191 and 12010021210200.

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, 42626664 + ... + 42907487.

It is an arithmetic number, because the mean of its divisors is an integer number (1167740754488).

Almost surely, 2^{12010021210212} is an apocalyptic number.

12010021210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12010021210212 is an abundant number, since it is smaller than the sum of its proper divisors (16015756897500).

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

12010021210212 is a wasteful number, since it uses less digits than its factorization.

12010021210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85545859 (or 85545857 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12010021210212 its reverse (21201212001021), we get a palindrome (33211233211233).

The spelling of 12010021210212 in words is "twelve trillion, ten billion, twenty-one million, two hundred ten thousand, two hundred twelve".