1213567421350 has 48 divisors (see below), whose sum is σ = 2260793826720. Its totient is φ = 484662182400.

The previous prime is 1213567421309. The next prime is 1213567421357. The reversal of 1213567421350 is 531247653121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213567421357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219806590 + ... + 219812110.

It is an arithmetic number, because the mean of its divisors is an integer number (47099871390).

Almost surely, 2^{1213567421350} is an apocalyptic number.

1213567421350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213567421350 is a deficient number, since it is larger than the sum of its proper divisors (1047226405370).

1213567421350 is a wasteful number, since it uses less digits than its factorization.

1213567421350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11665 (or 11660 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 1213567421350 in words is "one trillion, two hundred thirteen billion, five hundred sixty-seven million, four hundred twenty-one thousand, three hundred fifty".