1553520202212 has 48 divisors (see below), whose sum is σ = 3960397756224. Its totient is φ = 470051472000.

The previous prime is 1553520202193. The next prime is 1553520202229. The reversal of 1553520202212 is 2122020253551.

It is a self number, because there is not a number n which added to its sum of digits gives 1553520202212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8815239 + ... + 8989742.

It is an arithmetic number, because the mean of its divisors is an integer number (82508286588).

Almost surely, 2^{1553520202212} is an apocalyptic number.

1553520202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1553520202212 is an abundant number, since it is smaller than the sum of its proper divisors (2406877554012).

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

1553520202212 is a wasteful number, since it uses less digits than its factorization.

1553520202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17805660 (or 17805658 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 1553520202212 its reverse (2122020253551), we get a palindrome (3675540455763).

The spelling of 1553520202212 in words is "one trillion, five hundred fifty-three billion, five hundred twenty million, two hundred two thousand, two hundred twelve".