215133420512 has 24 divisors (see below), whose sum is σ = 424450897416. Its totient is φ = 107336367232.

The previous prime is 215133420449. The next prime is 215133420539. The reversal of 215133420512 is 215024331512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7183043 + ... + 7212930.

It is an arithmetic number, because the mean of its divisors is an integer number (17685454059).

Almost surely, 2^215133420512 is an apocalyptic number.

It is an amenable number.

215133420512 is a deficient number, since it is larger than the sum of its proper divisors (209317476904).

215133420512 is a wasteful number, since it uses less digits than its factorization.

215133420512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14396450 (or 14396442 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 215133420512 in words is "two hundred fifteen billion, one hundred thirty-three million, four hundred twenty thousand, five hundred twelve".