1242963297290 has 96 divisors (see below), whose sum is σ = 2782020168000. Its totient is φ = 395259471360.

The previous prime is 1242963297239. The next prime is 1242963297311. The reversal of 1242963297290 is 927923692421.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1406315 + ... + 2112734.

It is an arithmetic number, because the mean of its divisors is an integer number (28979376750).

Almost surely, 2^{1242963297290} is an apocalyptic number.

1242963297290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242963297290 is an abundant number, since it is smaller than the sum of its proper divisors (1539056870710).

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

1242963297290 is a wasteful number, since it uses less digits than its factorization.

1242963297290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519112 (or 3519099 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 1242963297290 in words is "one trillion, two hundred forty-two billion, nine hundred sixty-three million, two hundred ninety-seven thousand, two hundred ninety".