15402132212 has 6 divisors (see below), whose sum is σ = 26953731378. Its totient is φ = 7701066104.

The previous prime is 15402132211. The next prime is 15402132223. The reversal of 15402132212 is 21223120451.

15402132212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15376992016 + 25140196 = 124004^2 + 5014^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15402132211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1925266523 + ... + 1925266530.

It is an arithmetic number, because the mean of its divisors is an integer number (4492288563).

Almost surely, 2^15402132212 is an apocalyptic number.

It is an amenable number.

15402132212 is a deficient number, since it is larger than the sum of its proper divisors (11551599166).

15402132212 is a wasteful number, since it uses less digits than its factorization.

15402132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850533057 (or 3850533055 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 15402132212 its reverse (21223120451), we get a palindrome (36625252663).

The spelling of 15402132212 in words is "fifteen billion, four hundred two million, one hundred thirty-two thousand, two hundred twelve".