2012131101 has 16 divisors (see below), whose sum is σ = 2846124864. Its totient is φ = 1260082944.

The previous prime is 2012131097. The next prime is 2012131117. The reversal of 2012131101 is 1011312102.

It is not a de Polignac number, because 2012131101 - 2² = 2012131097 is a prime.

It is a super-2 number, since 2×2012131101² = 8097343135222944402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012131181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11046 + ... + 64391.

It is an arithmetic number, because the mean of its divisors is an integer number (177882804).

Almost surely, 2^2012131101 is an apocalyptic number.

It is an amenable number.

2012131101 is a deficient number, since it is larger than the sum of its proper divisors (833993763).

2012131101 is a wasteful number, since it uses less digits than its factorization.

2012131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75980.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2012131101 is about 44856.7843363744. The cubic root of 2012131101 is about 1262.4632883616.

Adding to 2012131101 its reverse (1011312102), we get a palindrome (3023443203).

The spelling of 2012131101 in words is "two billion, twelve million, one hundred thirty-one thousand, one hundred one".