1202999097920 has 56 divisors (see below), whose sum is σ = 2865667917624. Its totient is φ = 481027239936.

The previous prime is 1202999097899. The next prime is 1202999097929. The reversal of 1202999097920 is 297909992021.

It can be written as a sum of positive squares in 4 ways, for example, as 370364747776 + 832634350144 = 608576^2 + 912488^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1202999097920.

It is not an unprimeable number, because it can be changed into a prime (1202999097929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223004 + ... + 1567076.

Almost surely, 2^{1202999097920} is an apocalyptic number.

1202999097920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202999097920 is an abundant number, since it is smaller than the sum of its proper divisors (1662668819704).

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

1202999097920 is a wasteful number, since it uses less digits than its factorization.

1202999097920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346887 (or 1346877 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 59.

The spelling of 1202999097920 in words is "one trillion, two hundred two billion, nine hundred ninety-nine million, ninety-seven thousand, nine hundred twenty".