1230522198240 has 96 divisors (see below), whose sum is σ = 4104153476640. Its totient is φ = 308836941824.

The previous prime is 1230522198221. The next prime is 1230522198271. The reversal of 1230522198240 is 428912250321.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1230522198240² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75391485 + ... + 75407804.

It is an arithmetic number, because the mean of its divisors is an integer number (42751598715).

Almost surely, 2^{1230522198240} is an apocalyptic number.

1230522198240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230522198240 is an abundant number, since it is smaller than the sum of its proper divisors (2873631278400).

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

1230522198240 is a wasteful number, since it uses less digits than its factorization.

1230522198240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150799324 (or 150799316 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 1230522198240 in words is "one trillion, two hundred thirty billion, five hundred twenty-two million, one hundred ninety-eight thousand, two hundred forty".