212232131010 has 48 divisors (see below), whose sum is σ = 554852221560. Its totient is φ = 56282549760.

The previous prime is 212232130973. The next prime is 212232131053. The reversal of 212232131010 is 10131232212.

212232131010 is a `hidden beast` number, since 2 + 1 + 22 + 321 + 310 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32064990489 + 180167140521 = 179067^2 + 424461^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6497895 + ... + 6530474.

Almost surely, 2^212232131010 is an apocalyptic number.

212232131010 is an abundant number, since it is smaller than the sum of its proper divisors (342620090550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212232131010 is a wasteful number, since it uses less digits than its factorization.

212232131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13028563 (or 13028560 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212232131010 its reverse (10131232212), we get a palindrome (222363363222).

The spelling of 212232131010 in words is "two hundred twelve billion, two hundred thirty-two million, one hundred thirty-one thousand, ten".