12221000999970 has 32 divisors (see below), whose sum is σ = 33520459886208. Its totient is φ = 2793371657088.

The previous prime is 12221000999923. The next prime is 12221000999981. The reversal of 12221000999970 is 7999900012221.

It is a super-3 number, since 3×12221000999970³ (a number of 40 digits) contains 333 as substring.

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, 29097621219 + ... + 29097621638.

It is an arithmetic number, because the mean of its divisors is an integer number (1047514371444).

Almost surely, 2^{12221000999970} is an apocalyptic number.

12221000999970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221000999970 is an abundant number, since it is smaller than the sum of its proper divisors (21299458886238).

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

12221000999970 is a wasteful number, since it uses less digits than its factorization.

12221000999970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58195242874.

The product of its (nonzero) digits is 367416, while the sum is 51.

The spelling of 12221000999970 in words is "twelve trillion, two hundred twenty-one billion, nine hundred ninety-nine thousand, nine hundred seventy".