1208479734280 has 192 divisors, whose sum is σ = 3498384662640. Its totient is φ = 372126763008.

The previous prime is 1208479734233. The next prime is 1208479734283. The reversal of 1208479734280 is 824379748021.

It can be written as a sum of positive squares in 8 ways, for example, as 367359634404 + 841120099876 = 606102^2 + 917126^2 .

It is not an unprimeable number, because it can be changed into a prime (1208479734283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 301834 + ... + 1583686.

Almost surely, 2^{1208479734280} is an apocalyptic number.

1208479734280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1208479734280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1749192331320).

1208479734280 is an abundant number, since it is smaller than the sum of its proper divisors (2289904928360).

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

1208479734280 is a wasteful number, since it uses less digits than its factorization.

1208479734280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281928 (or 1281917 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 1208479734280 in words is "one trillion, two hundred eight billion, four hundred seventy-nine million, seven hundred thirty-four thousand, two hundred eighty".