1210312212 has 48 divisors (see below), whose sum is σ = 3019266432. Its totient is φ = 376012800.

The previous prime is 1210312193. The next prime is 1210312223. The reversal of 1210312212 is 2122130121.

It is a super-3 number, since 3×1210312212³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1210312191 and 1210312200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7789 + ... + 49812.

It is an arithmetic number, because the mean of its divisors is an integer number (62901384).

Almost surely, 2^1210312212 is an apocalyptic number.

1210312212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210312212 is an abundant number, since it is smaller than the sum of its proper divisors (1808954220).

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

1210312212 is a wasteful number, since it uses less digits than its factorization.

1210312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57728 (or 57726 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1210312212 is about 34789.5417043686. The cubic root of 1210312212 is about 1065.6938800710.

Adding to 1210312212 its reverse (2122130121), we get a palindrome (3332442333).

The spelling of 1210312212 in words is "one billion, two hundred ten million, three hundred twelve thousand, two hundred twelve".