1212133012 has 12 divisors (see below), whose sum is σ = 2128144480. Its totient is φ = 604091736.

The previous prime is 1212133009. The next prime is 1212133057. The reversal of 1212133012 is 2103312121.

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, 492312 + ... + 494767.

Almost surely, 2^1212133012 is an apocalyptic number.

It is an amenable number.

1212133012 is a deficient number, since it is larger than the sum of its proper divisors (916011468).

1212133012 is a wasteful number, since it uses less digits than its factorization.

1212133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987390 (or 987388 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1212133012 is about 34815.7006535844. The cubic root of 1212133012 is about 1066.2280241134.

Adding to 1212133012 its reverse (2103312121), we get a palindrome (3315445133).

The spelling of 1212133012 in words is "one billion, two hundred twelve million, one hundred thirty-three thousand, twelve".