215012031512 has 16 divisors (see below), whose sum is σ = 408825694800. Its totient is φ = 105991846240.

The previous prime is 215012031491. The next prime is 215012031517. The reversal of 215012031512 is 215130210512.

215012031512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×215012031512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215012031517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189270587 + ... + 189271722.

It is an arithmetic number, because the mean of its divisors is an integer number (25551605925).

Almost surely, 2^215012031512 is an apocalyptic number.

It is an amenable number.

215012031512 is a deficient number, since it is larger than the sum of its proper divisors (193813663288).

215012031512 is a wasteful number, since it uses less digits than its factorization.

215012031512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378542386 (or 378542382 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 215012031512 in words is "two hundred fifteen billion, twelve million, thirty-one thousand, five hundred twelve".