1202112020020 has 12 divisors (see below), whose sum is σ = 2524435242084. Its totient is φ = 480844808000.

The previous prime is 1202112019993. The next prime is 1202112020033. The reversal of 1202112020020 is 200202112021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 158171653264 + 1043940366756 = 397708^2 + 1021734^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30052800481 + ... + 30052800520.

It is an arithmetic number, because the mean of its divisors is an integer number (210369603507).

Almost surely, 2^{1202112020020} is an apocalyptic number.

1202112020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202112020020 is an abundant number, since it is smaller than the sum of its proper divisors (1322323222064).

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

1202112020020 is a wasteful number, since it uses less digits than its factorization.

1202112020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60105601010 (or 60105601008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1202112020020 its reverse (200202112021), we get a palindrome (1402314132041).

The spelling of 1202112020020 in words is "one trillion, two hundred two billion, one hundred twelve million, twenty thousand, twenty".