120312011332020 has 48 divisors (see below), whose sum is σ = 340021983446208. Its totient is φ = 31783360001280.

The previous prime is 120312011332013. The next prime is 120312011332031. The reversal of 120312011332020 is 20233110213021.

It is a super-2 number, since 2×120312011332020² (a number of 29 digits) contains 22 as substring.

It is a congruent 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, 9370087921 + ... + 9370100760.

It is an arithmetic number, because the mean of its divisors is an integer number (7083791321796).

Almost surely, 2^{120312011332020} is an apocalyptic number.

120312011332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120312011332020 is an abundant number, since it is smaller than the sum of its proper divisors (219709972114188).

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

120312011332020 is a wasteful number, since it uses less digits than its factorization.

120312011332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18740188800 (or 18740188798 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 120312011332020 its reverse (20233110213021), we get a palindrome (140545121545041).

The spelling of 120312011332020 in words is "one hundred twenty trillion, three hundred twelve billion, eleven million, three hundred thirty-two thousand, twenty".