39212121020002 has 128 divisors (see below), whose sum is σ = 74476765440000. Its totient is φ = 15103583212032.

The previous prime is 39212121019993. The next prime is 39212121020063. The reversal of 39212121020002 is 20002012121293.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 950737593 + ... + 950778835.

It is an arithmetic number, because the mean of its divisors is an integer number (581849730000).

Almost surely, 2^{39212121020002} is an apocalyptic number.

39212121020002 is a deficient number, since it is larger than the sum of its proper divisors (35264644419998).

39212121020002 is a wasteful number, since it uses less digits than its factorization.

39212121020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43448.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 39212121020002 its reverse (20002012121293), we get a palindrome (59214133141295).

The spelling of 39212121020002 in words is "thirty-nine trillion, two hundred twelve billion, one hundred twenty-one million, twenty thousand, two".