4012126990 has 32 divisors (see below), whose sum is σ = 7651342944. Its totient is φ = 1509519360.

The previous prime is 4012126903. The next prime is 4012126991. The reversal of 4012126990 is 996212104.

4012126990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012126991) 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, 311070 + ... + 323710.

It is an arithmetic number, because the mean of its divisors is an integer number (239104467).

Almost surely, 2^4012126990 is an apocalyptic number.

4012126990 is a deficient number, since it is larger than the sum of its proper divisors (3639215954).

4012126990 is a wasteful number, since it uses less digits than its factorization.

4012126990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14532.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 4012126990 is about 63341.3529220840. The cubic root of 4012126990 is about 1589.0036332407.

The spelling of 4012126990 in words is "four billion, twelve million, one hundred twenty-six thousand, nine hundred ninety".