4012052100 has 144 divisors (see below), whose sum is σ = 13297148928. Its totient is φ = 914924160.

The previous prime is 4012052069. The next prime is 4012052101. The reversal of 4012052100 is 12502104.

It is a super-2 number, since 2×4012052100² = 32193124106228820000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4012052100.

It is not an unprimeable number, because it can be changed into a prime (4012052101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1020739 + ... + 1024661.

It is an arithmetic number, because the mean of its divisors is an integer number (92341312).

Almost surely, 2^4012052100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4012052100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6648574464).

4012052100 is an abundant number, since it is smaller than the sum of its proper divisors (9285096828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4012052100 is a wasteful number, since it uses less digits than its factorization.

4012052100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 4012052100 is about 63340.7617573392. The cubic root of 4012052100 is about 1588.9937464464.

Adding to 4012052100 its reverse (12502104), we get a palindrome (4024554204).

The spelling of 4012052100 in words is "four billion, twelve million, fifty-two thousand, one hundred".