2215621146512 has 80 divisors (see below), whose sum is σ = 4369830170112. Its totient is φ = 1088027043840.

The previous prime is 2215621146499. The next prime is 2215621146521. The reversal of 2215621146512 is 2156411265122.

It is a super-2 number, since 2×2215621146512² (a number of 25 digits) contains 22 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, 629972978 + ... + 629976494.

Almost surely, 2^{2215621146512} is an apocalyptic number.

It is an amenable number.

2215621146512 is a deficient number, since it is larger than the sum of its proper divisors (2154209023600).

2215621146512 is a wasteful number, since it uses less digits than its factorization.

2215621146512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176 (or 5170 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The spelling of 2215621146512 in words is "two trillion, two hundred fifteen billion, six hundred twenty-one million, one hundred forty-six thousand, five hundred twelve".