1202311102120 has 32 divisors (see below), whose sum is σ = 2709584476200. Its totient is φ = 480144974848.

The previous prime is 1202311102117. The next prime is 1202311102121. The reversal of 1202311102120 is 212011132021.

It can be written as a sum of positive squares in 4 ways, for example, as 922510304676 + 279800797444 = 960474^2 + 528962^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1202311102094 and 1202311102103.

It is not an unprimeable number, because it can be changed into a prime (1202311102121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24333325 + ... + 24382684.

Almost surely, 2^{1202311102120} is an apocalyptic number.

1202311102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202311102120 is an abundant number, since it is smaller than the sum of its proper divisors (1507273374080).

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

1202311102120 is a wasteful number, since it uses less digits than its factorization.

1202311102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48716637 (or 48716633 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1202311102120 its reverse (212011132021), we get a palindrome (1414322234141).

The spelling of 1202311102120 in words is "one trillion, two hundred two billion, three hundred eleven million, one hundred two thousand, one hundred twenty".