211332122312 has 32 divisors (see below), whose sum is σ = 413518711680. Its totient is φ = 101061417600.

The previous prime is 211332122291. The next prime is 211332122363. The reversal of 211332122312 is 213221233112.

It is a super-2 number, since 2×211332122312² (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 7 ways as a sum of consecutive naturals, for example, 1896413 + ... + 2004755.

It is an arithmetic number, because the mean of its divisors is an integer number (12922459740).

Almost surely, 2^211332122312 is an apocalyptic number.

It is an amenable number.

211332122312 is a deficient number, since it is larger than the sum of its proper divisors (202186589368).

211332122312 is a wasteful number, since it uses less digits than its factorization.

211332122312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118973 (or 118969 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 211332122312 its reverse (213221233112), we get a palindrome (424553355424).

The spelling of 211332122312 in words is "two hundred eleven billion, three hundred thirty-two million, one hundred twenty-two thousand, three hundred twelve".