1218521230296 has 16 divisors (see below), whose sum is σ = 3046303075800. Its totient is φ = 406173743424.

The previous prime is 1218521230249. The next prime is 1218521230343. The reversal of 1218521230296 is 6920321258121.

It is an interprime number because it is at equal distance from previous prime (1218521230249) and next prime (1218521230343).

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, 25385858941 + ... + 25385858988.

Almost surely, 2^{1218521230296} is an apocalyptic number.

It is an amenable number.

1218521230296 is an abundant number, since it is smaller than the sum of its proper divisors (1827781845504).

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

1218521230296 is a wasteful number, since it uses less digits than its factorization.

1218521230296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50771717938 (or 50771717934 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 1218521230296 in words is "one trillion, two hundred eighteen billion, five hundred twenty-one million, two hundred thirty thousand, two hundred ninety-six".