312212222010 has 128 divisors (see below), whose sum is σ = 927527328000. Its totient is φ = 74202137856.

The previous prime is 312212221987. The next prime is 312212222041. The reversal of 312212222010 is 10222212213.

312212222010 is a `hidden beast` number, since 312 + 2 + 122 + 220 + 10 = 666.

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 63 ways as a sum of consecutive naturals, for example, 1431820 + ... + 1635399.

It is an arithmetic number, because the mean of its divisors is an integer number (7246307250).

Almost surely, 2^312212222010 is an apocalyptic number.

312212222010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312212222010 is an abundant number, since it is smaller than the sum of its proper divisors (615315105990).

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

312212222010 is a wasteful number, since it uses less digits than its factorization.

312212222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067277 (or 3067271 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 312212222010 its reverse (10222212213), we get a palindrome (322434434223).

The spelling of 312212222010 in words is "three hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, ten".