315551254321212 has 384 divisors, whose sum is σ = 976181606400000. Its totient is φ = 77000371144704.

The previous prime is 315551254321159. The next prime is 315551254321229. The reversal of 315551254321212 is 212123452155513.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 14496761953 + ... + 14496783719.

It is an arithmetic number, because the mean of its divisors is an integer number (2542139600000).

Almost surely, 2^{315551254321212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315551254321212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488090803200000).

315551254321212 is an abundant number, since it is smaller than the sum of its proper divisors (660630352078788).

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

315551254321212 is a wasteful number, since it uses less digits than its factorization.

315551254321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38105 (or 38103 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

The spelling of 315551254321212 in words is "three hundred fifteen trillion, five hundred fifty-one billion, two hundred fifty-four million, three hundred twenty-one thousand, two hundred twelve".