4012013901 has 32 divisors (see below), whose sum is σ = 6426021888. Its totient is φ = 2176859520.

The previous prime is 4012013897. The next prime is 4012013917. The reversal of 4012013901 is 1093102104.

It is not a de Polignac number, because 4012013901 - 2² = 4012013897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012013101) 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, 35856 + ... + 96486.

It is an arithmetic number, because the mean of its divisors is an integer number (200813184).

Almost surely, 2^4012013901 is an apocalyptic number.

It is an amenable number.

4012013901 is a deficient number, since it is larger than the sum of its proper divisors (2414007987).

4012013901 is a wasteful number, since it uses less digits than its factorization.

4012013901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60801.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 4012013901 is about 63340.4602209362. The cubic root of 4012013901 is about 1588.9887034606.

The spelling of 4012013901 in words is "four billion, twelve million, thirteen thousand, nine hundred one".