12210901970 has 8 divisors (see below), whose sum is σ = 21979623564. Its totient is φ = 4884360784.

The previous prime is 12210901897. The next prime is 12210901979. The reversal of 12210901970 is 7910901221.

It can be written as a sum of positive squares in 2 ways, for example, as 12190588921 + 20313049 = 110411^2 + 4507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12210901970² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12210901979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610545089 + ... + 610545108.

Almost surely, 2^12210901970 is an apocalyptic number.

12210901970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210901970 is a deficient number, since it is larger than the sum of its proper divisors (9768721594).

12210901970 is a wasteful number, since it uses less digits than its factorization.

12210901970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221090204.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 12210901970 in words is "twelve billion, two hundred ten million, nine hundred one thousand, nine hundred seventy".