4012133101 has 4 divisors (see below), whose sum is σ = 4013295804. Its totient is φ = 4010970400.

The previous prime is 4012133089. The next prime is 4012133123. The reversal of 4012133101 is 1013312104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 300155625 + 3711977476 = 17325^2 + 60926^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012133101 - 2⁹ = 4012132589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012133171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576160 + ... + 583081.

It is an arithmetic number, because the mean of its divisors is an integer number (1003323951).

Almost surely, 2^4012133101 is an apocalyptic number.

It is an amenable number.

4012133101 is a deficient number, since it is larger than the sum of its proper divisors (1162703).

4012133101 is a wasteful number, since it uses less digits than its factorization.

4012133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162702.

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

The square root of 4012133101 is about 63341.4011606943. The cubic root of 4012133101 is about 1589.0044399945.

Adding to 4012133101 its reverse (1013312104), we get a palindrome (5025445205).

The spelling of 4012133101 in words is "four billion, twelve million, one hundred thirty-three thousand, one hundred one".