1200598994840 has 32 divisors (see below), whose sum is σ = 3087254558880. Its totient is φ = 411633940992.

The previous prime is 1200598994809. The next prime is 1200598994857. The reversal of 1200598994840 is 484998950021.

It is a self number, because there is not a number n which added to its sum of digits gives 1200598994840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2143926497 + ... + 2143927056.

It is an arithmetic number, because the mean of its divisors is an integer number (96476704965).

Almost surely, 2^{1200598994840} is an apocalyptic number.

1200598994840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200598994840 is an abundant number, since it is smaller than the sum of its proper divisors (1886655564040).

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

1200598994840 is a wasteful number, since it uses less digits than its factorization.

1200598994840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287853571 (or 4287853567 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 59.

The spelling of 1200598994840 in words is "one trillion, two hundred billion, five hundred ninety-eight million, nine hundred ninety-four thousand, eight hundred forty".