39900210012 has 96 divisors (see below), whose sum is σ = 111724704000. Its totient is φ = 12241457856.

The previous prime is 39900209981. The next prime is 39900210017. The reversal of 39900210012 is 21001200993.

39900210012 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39900210017) 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, 446239 + ... + 528137.

It is an arithmetic number, because the mean of its divisors is an integer number (1163799000).

Almost surely, 2^39900210012 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 39900210012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55862352000).

39900210012 is an abundant number, since it is smaller than the sum of its proper divisors (71824493988).

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

39900210012 is a wasteful number, since it uses less digits than its factorization.

39900210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82272 (or 82264 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 39900210012 in words is "thirty-nine billion, nine hundred million, two hundred ten thousand, twelve".