1553302505212 has 12 divisors (see below), whose sum is σ = 2752687984480. Its totient is φ = 766820223936.

The previous prime is 1553302505177. The next prime is 1553302505219. The reversal of 1553302505212 is 2125052033551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553302505219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2457756813 + ... + 2457757444.

Almost surely, 2^{1553302505212} is an apocalyptic number.

It is an amenable number.

1553302505212 is a deficient number, since it is larger than the sum of its proper divisors (1199385479268).

1553302505212 is a wasteful number, since it uses less digits than its factorization.

1553302505212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4915514340 (or 4915514338 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 1553302505212 its reverse (2125052033551), we get a palindrome (3678354538763).

The spelling of 1553302505212 in words is "one trillion, five hundred fifty-three billion, three hundred two million, five hundred five thousand, two hundred twelve".