212111131208 has 16 divisors (see below), whose sum is σ = 415000039680. Its totient is φ = 101444453968.

The previous prime is 212111131163. The next prime is 212111131261. The reversal of 212111131208 is 802131111212.

It is a happy number.

It is a super-2 number, since 2×212111131208² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 576388760 + ... + 576389127.

It is an arithmetic number, because the mean of its divisors is an integer number (25937502480).

Almost surely, 2^212111131208 is an apocalyptic number.

It is an amenable number.

212111131208 is a deficient number, since it is larger than the sum of its proper divisors (202888908472).

212111131208 is a wasteful number, since it uses less digits than its factorization.

212111131208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152777916 (or 1152777912 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 23.

The spelling of 212111131208 in words is "two hundred twelve billion, one hundred eleven million, one hundred thirty-one thousand, two hundred eight".