212100001302031 has 8 divisors (see below), whose sum is σ = 212749921333040. Its totient is φ = 211450202828928.

The previous prime is 212100001302023. The next prime is 212100001302047. The reversal of 212100001302031 is 130203100001212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212100001302031 - 2³ = 212100001302023 is a prime.

It is a super-2 number, since 2×212100001302031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212100001301996 and 212100001302014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100001302011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26893821 + ... + 33874438.

It is an arithmetic number, because the mean of its divisors is an integer number (26593740166630).

Almost surely, 2^{212100001302031} is an apocalyptic number.

212100001302031 is a deficient number, since it is larger than the sum of its proper divisors (649920031009).

212100001302031 is a wasteful number, since it uses less digits than its factorization.

212100001302031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60778953.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212100001302031 its reverse (130203100001212), we get a palindrome (342303101303243).

The spelling of 212100001302031 in words is "two hundred twelve trillion, one hundred billion, one million, three hundred two thousand, thirty-one".