213001143512 has 16 divisors (see below), whose sum is σ = 399653169360. Its totient is φ = 106426965024.

The previous prime is 213001143497. The next prime is 213001143521. The reversal of 213001143512 is 215341100312.

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, 9188543 + ... + 9211694.

It is an arithmetic number, because the mean of its divisors is an integer number (24978323085).

Almost surely, 2^213001143512 is an apocalyptic number.

It is an amenable number.

213001143512 is a deficient number, since it is larger than the sum of its proper divisors (186652025848).

213001143512 is a wasteful number, since it uses less digits than its factorization.

213001143512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18401690 (or 18401686 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 213001143512 its reverse (215341100312), we get a palindrome (428342243824).

The spelling of 213001143512 in words is "two hundred thirteen billion, one million, one hundred forty-three thousand, five hundred twelve".