12021106625210 has 32 divisors (see below), whose sum is σ = 22933521763920. Its totient is φ = 4521107791872.

The previous prime is 12021106625191. The next prime is 12021106625267. The reversal of 12021106625210 is 1252660112021.

It can be written as a sum of positive squares in 8 ways, for example, as 8791527432601 + 3229579192609 = 2965051^2 + 1797103^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34869299 + ... + 35212358.

Almost surely, 2^{12021106625210} is an apocalyptic number.

12021106625210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021106625210 is a deficient number, since it is larger than the sum of its proper divisors (10912415138710).

12021106625210 is a wasteful number, since it uses less digits than its factorization.

12021106625210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70082690.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 12021106625210 its reverse (1252660112021), we get a palindrome (13273766737231).

The spelling of 12021106625210 in words is "twelve trillion, twenty-one billion, one hundred six million, six hundred twenty-five thousand, two hundred ten".