1213220323098 has 48 divisors (see below), whose sum is σ = 3004274232960. Its totient is φ = 346621729248.

The previous prime is 1213220323097. The next prime is 1213220323163. The reversal of 1213220323098 is 8903230223121.

It is a happy number.

1213220323098 is a `hidden beast` number, since 1 + 2 + 1 + 322 + 0 + 323 + 0 + 9 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1213220323093) 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, 3614136 + ... + 3935532.

It is an arithmetic number, because the mean of its divisors is an integer number (62589046520).

Almost surely, 2^{1213220323098} is an apocalyptic number.

1213220323098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1213220323098 is an abundant number, since it is smaller than the sum of its proper divisors (1791053909862).

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

1213220323098 is a wasteful number, since it uses less digits than its factorization.

1213220323098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351371 (or 351368 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 1213220323098 in words is "one trillion, two hundred thirteen billion, two hundred twenty million, three hundred twenty-three thousand, ninety-eight".