16213097812 has 24 divisors (see below), whose sum is σ = 30551109120. Its totient is φ = 7500374400.

The previous prime is 16213097807. The next prime is 16213097837. The reversal of 16213097812 is 21879031261.

It is a super-2 number, since 2×16213097812² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016564 + ... + 2024587.

It is an arithmetic number, because the mean of its divisors is an integer number (1272962880).

Almost surely, 2^16213097812 is an apocalyptic number.

It is an amenable number.

16213097812 is a deficient number, since it is larger than the sum of its proper divisors (14338011308).

16213097812 is a wasteful number, since it uses less digits than its factorization.

16213097812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041231 (or 4041229 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 16213097812 in words is "sixteen billion, two hundred thirteen million, ninety-seven thousand, eight hundred twelve".