13212130022100 has 54 divisors (see below), whose sum is σ = 41412687549870. Its totient is φ = 3523234672320.

The previous prime is 13212130022081. The next prime is 13212130022107. The reversal of 13212130022100 is 122003121231.

13212130022100 is a `hidden beast` number, since 1 + 32 + 121 + 300 + 2 + 210 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 16841291076 + 13195288731024 = 129774^2 + 3632532^2 .

It is a super-2 number, since 2×13212130022100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212130022107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7340071335 + ... + 7340073134.

Almost surely, 2^{13212130022100} is an apocalyptic number.

13212130022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13212130022100 is an abundant number, since it is smaller than the sum of its proper divisors (28200557527770).

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

13212130022100 is a wasteful number, since it uses less digits than its factorization.

13212130022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14680144489 (or 14680144479 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13212130022100 its reverse (122003121231), we get a palindrome (13334133143331).

The spelling of 13212130022100 in words is "thirteen trillion, two hundred twelve billion, one hundred thirty million, twenty-two thousand, one hundred".