131212201021120 has 56 divisors (see below), whose sum is σ = 314067960843264. Its totient is φ = 52212937998336.

The previous prime is 131212201021117. The next prime is 131212201021123. The reversal of 131212201021120 is 21120102212131.

It is an interprime number because it is at equal distance from previous prime (131212201021117) and next prime (131212201021123).

It is not an unprimeable number, because it can be changed into a prime (131212201021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062213184 + ... + 1062336703.

Almost surely, 2^{131212201021120} is an apocalyptic number.

131212201021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131212201021120 is an abundant number, since it is smaller than the sum of its proper divisors (182855759822144).

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

131212201021120 is a wasteful number, since it uses less digits than its factorization.

131212201021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124550097 (or 2124550087 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 131212201021120 its reverse (21120102212131), we get a palindrome (152332303233251).

The spelling of 131212201021120 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred one million, twenty-one thousand, one hundred twenty".