1213440332202 has 96 divisors (see below), whose sum is σ = 3123617078400. Its totient is φ = 345849170688.

The previous prime is 1213440332131. The next prime is 1213440332239. The reversal of 1213440332202 is 2022330443121.

1213440332202 is a `hidden beast` number, since 1 + 2 + 1 + 34 + 403 + 3 + 220 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 955374 + ... + 1827462.

It is an arithmetic number, because the mean of its divisors is an integer number (32537677900).

Almost surely, 2^{1213440332202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213440332202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561808539200).

1213440332202 is an abundant number, since it is smaller than the sum of its proper divisors (1910176746198).

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

1213440332202 is an equidigital number, since it uses as much as digits as its factorization.

1213440332202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872522 (or 872510 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1213440332202 its reverse (2022330443121), we get a palindrome (3235770775323).

The spelling of 1213440332202 in words is "one trillion, two hundred thirteen billion, four hundred forty million, three hundred thirty-two thousand, two hundred two".