4012012311 has 8 divisors (see below), whose sum is σ = 5350063344. Its totient is φ = 2674318080.

The previous prime is 4012012259. The next prime is 4012012339. The reversal of 4012012311 is 1132102104.

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

It is not a de Polignac number, because 4012012311 - 2⁹ = 4012011799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012017311) 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, 61756 + ... + 108801.

It is an arithmetic number, because the mean of its divisors is an integer number (668757918).

Almost surely, 2^4012012311 is an apocalyptic number.

4012012311 is a deficient number, since it is larger than the sum of its proper divisors (1338051033).

4012012311 is a wasteful number, since it uses less digits than its factorization.

4012012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178401.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 4012012311 is about 63340.4476697158. The cubic root of 4012012311 is about 1588.9884935501.

Adding to 4012012311 its reverse (1132102104), we get a palindrome (5144114415).

It can be divided in two parts, 40 and 12012311, that added together give a triangular number (12012351 = T₄₉₀₁).

The spelling of 4012012311 in words is "four billion, twelve million, twelve thousand, three hundred eleven".