1206797178400 has 108 divisors (see below), whose sum is σ = 3238268444586. Its totient is φ = 438835302400.

The previous prime is 1206797178383. The next prime is 1206797178401. The reversal of 1206797178400 is 48717976021.

It can be written as a sum of positive squares in 3 ways, for example, as 901337574544 + 305459603856 = 949388^2 + 552684^2 .

It is not an unprimeable number, because it can be changed into a prime (1206797178401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6136657 + ... + 6330256.

Almost surely, 2^{1206797178400} is an apocalyptic number.

1206797178400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206797178400 is an abundant number, since it is smaller than the sum of its proper divisors (2031471266186).

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

1206797178400 is a wasteful number, since it uses less digits than its factorization.

1206797178400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12466955 (or 12466931 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 1206797178400 in words is "one trillion, two hundred six billion, seven hundred ninety-seven million, one hundred seventy-eight thousand, four hundred".