1013218365250 has 128 divisors (see below), whose sum is σ = 2335981939200. Its totient is φ = 320457196800.

The previous prime is 1013218365241. The next prime is 1013218365259. The reversal of 1013218365250 is 525638123101.

1013218365250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1013218365241) and next prime (1013218365259).

It is a super-2 number, since 2×1013218365250² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1013218365259) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36818496 + ... + 36846004.

It is an arithmetic number, because the mean of its divisors is an integer number (18249858900).

Almost surely, 2^{1013218365250} is an apocalyptic number.

1013218365250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013218365250 is an abundant number, since it is smaller than the sum of its proper divisors (1322763573950).

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

1013218365250 is a wasteful number, since it uses less digits than its factorization.

1013218365250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29165 (or 29155 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 1013218365250 in words is "one trillion, thirteen billion, two hundred eighteen million, three hundred sixty-five thousand, two hundred fifty".