1212996452 has 12 divisors (see below), whose sum is σ = 2129045100. Its totient is φ = 604697856.

The previous prime is 1212996437. The next prime is 1212996467. The reversal of 1212996452 is 2546992121.

It is an interprime number because it is at equal distance from previous prime (1212996437) and next prime (1212996467).

It can be written as a sum of positive squares in 2 ways, for example, as 520569856 + 692426596 = 22816^2 + 26314^2 .

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, 448577 + ... + 451272.

It is an arithmetic number, because the mean of its divisors is an integer number (177420425).

Almost surely, 2^1212996452 is an apocalyptic number.

It is an amenable number.

1212996452 is a deficient number, since it is larger than the sum of its proper divisors (916048648).

1212996452 is a wasteful number, since it uses less digits than its factorization.

1212996452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900190 (or 900188 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 1212996452 is about 34828.0985986890. The cubic root of 1212996452 is about 1066.4811331386.

The spelling of 1212996452 in words is "one billion, two hundred twelve million, nine hundred ninety-six thousand, four hundred fifty-two".