1200620153600 has 648 divisors, whose sum is σ = 3646166817888. Its totient is φ = 383267635200.

The previous prime is 1200620153591. The next prime is 1200620153609. The reversal of 1200620153600 is 63510260021.

It is an interprime number because it is at equal distance from previous prime (1200620153591) and next prime (1200620153609).

It is a self number, because there is not a number n which added to its sum of digits gives 1200620153600.

It is not an unprimeable number, because it can be changed into a prime (1200620153609) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 986540192 + ... + 986541408.

Almost surely, 2^{1200620153600} is an apocalyptic number.

1200620153600 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 1200620153600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1823083408944).

1200620153600 is an abundant number, since it is smaller than the sum of its proper divisors (2445546664288).

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

1200620153600 is a wasteful number, since it uses less digits than its factorization.

1200620153600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The spelling of 1200620153600 in words is "one trillion, two hundred billion, six hundred twenty million, one hundred fifty-three thousand, six hundred".