1242223931466 has 64 divisors (see below), whose sum is σ = 3159242956800. Its totient is φ = 354427414128.

The previous prime is 1242223931419. The next prime is 1242223931483. The reversal of 1242223931466 is 6641393222421.

1242223931466 is a `hidden beast` number, since 1 + 2 + 42 + 2 + 239 + 314 + 66 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2013550 + ... + 2557113.

It is an arithmetic number, because the mean of its divisors is an integer number (49363171200).

Almost surely, 2^{1242223931466} is an apocalyptic number.

1242223931466 is an abundant number, since it is smaller than the sum of its proper divisors (1917019025334).

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

1242223931466 is a wasteful number, since it uses less digits than its factorization.

1242223931466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571400 (or 4571394 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 1242223931466 in words is "one trillion, two hundred forty-two billion, two hundred twenty-three million, nine hundred thirty-one thousand, four hundred sixty-six".