1212012212 has 12 divisors (see below), whose sum is σ = 2245787460. Its totient is φ = 570358656.

The previous prime is 1212012173. The next prime is 1212012251. The reversal of 1212012212 is 2122102121.

It is an interprime number because it is at equal distance from previous prime (1212012173) and next prime (1212012251).

It can be written as a sum of positive squares in 2 ways, for example, as 637259536 + 574752676 = 25244^2 + 23974^2 .

It is a congruent number.

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, 8911787 + ... + 8911922.

It is an arithmetic number, because the mean of its divisors is an integer number (187148955).

Almost surely, 2^1212012212 is an apocalyptic number.

It is an amenable number.

1212012212 is a deficient number, since it is larger than the sum of its proper divisors (1033775248).

1212012212 is a wasteful number, since it uses less digits than its factorization.

1212012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17823730 (or 17823728 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1212012212 is about 34813.9657608840. The cubic root of 1212012212 is about 1066.1926031865.

Adding to 1212012212 its reverse (2122102121), we get a palindrome (3334114333).

The spelling of 1212012212 in words is "one billion, two hundred twelve million, twelve thousand, two hundred twelve".