1218230476992 has 98 divisors (see below), whose sum is σ = 3624481250388. Its totient is φ = 406076810112.

The previous prime is 1218230476963. The next prime is 1218230477081. The reversal of 1218230476992 is 2996740328121.

1218230476992 is a `hidden beast` number, since 1 + 2 + 1 + 82 + 3 + 0 + 476 + 9 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 13008798 + ... + 13102109.

Almost surely, 2^{1218230476992} is an apocalyptic number.

1218230476992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1218230476992 is an abundant number, since it is smaller than the sum of its proper divisors (2406250773396).

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

1218230476992 is an frugal number, since it uses more digits than its factorization.

1218230476992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26110937 (or 26110912 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 1218230476992 in words is "one trillion, two hundred eighteen billion, two hundred thirty million, four hundred seventy-six thousand, nine hundred ninety-two".