212112131001 has 32 divisors (see below), whose sum is σ = 286720560000. Its totient is φ = 139472832000.

The previous prime is 212112130981. The next prime is 212112131081. The reversal of 212112131001 is 100131211212.

It is not a de Polignac number, because 212112131001 - 2¹¹ = 212112128953 is a prime.

It is a super-2 number, since 2×212112131001² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212112131081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39154045 + ... + 39159461.

It is an arithmetic number, because the mean of its divisors is an integer number (8960017500).

Almost surely, 2^212112131001 is an apocalyptic number.

It is an amenable number.

212112131001 is a deficient number, since it is larger than the sum of its proper divisors (74608428999).

212112131001 is a wasteful number, since it uses less digits than its factorization.

212112131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 212112131001 its reverse (100131211212), we get a palindrome (312243342213).

The spelling of 212112131001 in words is "two hundred twelve billion, one hundred twelve million, one hundred thirty-one thousand, one".