1202031440120 has 128 divisors (see below), whose sum is σ = 3178099584000. Its totient is φ = 408978460800.

The previous prime is 1202031440059. The next prime is 1202031440143. The reversal of 1202031440120 is 210441302021.

It is a super-2 number, since 2×1202031440120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1202031440092 and 1202031440101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1462925 + ... + 2131715.

It is an arithmetic number, because the mean of its divisors is an integer number (24828903000).

Almost surely, 2^{1202031440120} is an apocalyptic number.

1202031440120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202031440120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589049792000).

1202031440120 is an abundant number, since it is smaller than the sum of its proper divisors (1976068143880).

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

1202031440120 is a wasteful number, since it uses less digits than its factorization.

1202031440120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668954 (or 668936 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1202031440120 its reverse (210441302021), we get a palindrome (1412472742141).

The spelling of 1202031440120 in words is "one trillion, two hundred two billion, thirty-one million, four hundred forty thousand, one hundred twenty".