1202012120 has 32 divisors (see below), whose sum is σ = 2705572800. Its totient is φ = 480619008.

The previous prime is 1202012117. The next prime is 1202012159. The reversal of 1202012120 is 212102021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151697 + ... + 159423.

It is an arithmetic number, because the mean of its divisors is an integer number (84549150).

Almost surely, 2^1202012120 is an apocalyptic number.

1202012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202012120 is an abundant number, since it is smaller than the sum of its proper divisors (1503560680).

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

1202012120 is a wasteful number, since it uses less digits than its factorization.

1202012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11627 (or 11623 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1202012120 is about 34670.0464378114. The cubic root of 1202012120 is about 1063.2521810122.

Adding to 1202012120 its reverse (212102021), we get a palindrome (1414114141).

The spelling of 1202012120 in words is "one billion, two hundred two million, twelve thousand, one hundred twenty".