1212032113101 has 20 divisors (see below), whose sum is σ = 1917070403292. Its totient is φ = 760490736768.

The previous prime is 1212032113081. The next prime is 1212032113121. The reversal of 1212032113101 is 1013112302121.

1212032113101 is a `hidden beast` number, since 1 + 212 + 0 + 321 + 131 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1212032113081) and next prime (1212032113121).

It can be written as a sum of positive squares in 2 ways, for example, as 568627597476 + 643404515625 = 754074^2 + 802125^2 .

It is not a de Polignac number, because 1212032113101 - 2⁹ = 1212032112589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212032113121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 440097430 + ... + 440100183.

Almost surely, 2^{1212032113101} is an apocalyptic number.

It is an amenable number.

1212032113101 is a deficient number, since it is larger than the sum of its proper divisors (705038290191).

1212032113101 is an equidigital number, since it uses as much as digits as its factorization.

1212032113101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880197642 (or 880197633 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1212032113101 its reverse (1013112302121), we get a palindrome (2225144415222).

The spelling of 1212032113101 in words is "one trillion, two hundred twelve billion, thirty-two million, one hundred thirteen thousand, one hundred one".