120312122020 has 48 divisors (see below), whose sum is σ = 255297385728. Its totient is φ = 47624054400.

The previous prime is 120312122017. The next prime is 120312122039. The reversal of 120312122020 is 20221213021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120312121985 and 120312122003.

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, 718522 + ... + 869998.

It is an arithmetic number, because the mean of its divisors is an integer number (5318695536).

Almost surely, 2^120312122020 is an apocalyptic number.

120312122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120312122020 is an abundant number, since it is smaller than the sum of its proper divisors (134985263708).

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

120312122020 is a wasteful number, since it uses less digits than its factorization.

120312122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151900 (or 151898 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120312122020 its reverse (20221213021), we get a palindrome (140533335041).

The spelling of 120312122020 in words is "one hundred twenty billion, three hundred twelve million, one hundred twenty-two thousand, twenty".