15103202402212 has 6 divisors (see below), whose sum is σ = 26430604203878. Its totient is φ = 7551601201104.

The previous prime is 15103202402201. The next prime is 15103202402219. The reversal of 15103202402212 is 21220420230151.

It can be written as a sum of positive squares in only one way, i.e., 8105727867136 + 6997474535076 = 2847056^2 + 2645274^2 .

It is not an unprimeable number, because it can be changed into a prime (15103202402219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887900300273 + ... + 1887900300280.

Almost surely, 2^{15103202402212} is an apocalyptic number.

It is an amenable number.

15103202402212 is a deficient number, since it is larger than the sum of its proper divisors (11327401801666).

15103202402212 is a wasteful number, since it uses less digits than its factorization.

15103202402212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775800600557 (or 3775800600555 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 15103202402212 its reverse (21220420230151), we get a palindrome (36323622632363).

The spelling of 15103202402212 in words is "fifteen trillion, one hundred three billion, two hundred two million, four hundred two thousand, two hundred twelve".