1012315550202 has 384 divisors, whose sum is σ = 2637222561792. Its totient is φ = 288039628800.

The previous prime is 1012315550189. The next prime is 1012315550209. The reversal of 1012315550202 is 2020555132101.

1012315550202 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 3 + 155 + 502 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1012315550209) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2867749258 + ... + 2867749610.

It is an arithmetic number, because the mean of its divisors is an integer number (6867767088).

Almost surely, 2^{1012315550202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012315550202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318611280896).

1012315550202 is an abundant number, since it is smaller than the sum of its proper divisors (1624907011590).

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

1012315550202 is a wasteful number, since it uses less digits than its factorization.

1012315550202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 1012315550202 in words is "one trillion, twelve billion, three hundred fifteen million, five hundred fifty thousand, two hundred two".