1212942284 has 24 divisors (see below), whose sum is σ = 2198154000. Its totient is φ = 584942400.

The previous prime is 1212942187. The next prime is 1212942331. The reversal of 1212942284 is 4822492121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116942 + ... + 126890.

It is an arithmetic number, because the mean of its divisors is an integer number (91589750).

Almost surely, 2^1212942284 is an apocalyptic number.

It is an amenable number.

1212942284 is a deficient number, since it is larger than the sum of its proper divisors (985211716).

1212942284 is a wasteful number, since it uses less digits than its factorization.

1212942284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033 (or 11031 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 1212942284 is about 34827.3209420420. The cubic root of 1212942284 is about 1066.4652578490.

The spelling of 1212942284 in words is "one billion, two hundred twelve million, nine hundred forty-two thousand, two hundred eighty-four".