1202788512420 has 48 divisors (see below), whose sum is σ = 3673972185408. Its totient is φ = 291585093760.

The previous prime is 1202788512413. The next prime is 1202788512433. The reversal of 1202788512420 is 242158872021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 911202759 + ... + 911204078.

It is an arithmetic number, because the mean of its divisors is an integer number (76541087196).

Almost surely, 2^{1202788512420} is an apocalyptic number.

1202788512420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202788512420 is an abundant number, since it is smaller than the sum of its proper divisors (2471183672988).

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

1202788512420 is a wasteful number, since it uses less digits than its factorization.

1202788512420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822406860 (or 1822406858 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The spelling of 1202788512420 in words is "one trillion, two hundred two billion, seven hundred eighty-eight million, five hundred twelve thousand, four hundred twenty".