1245355231330 has 64 divisors (see below), whose sum is σ = 2636832660480. Its totient is φ = 414662976000.

The previous prime is 1245355231321. The next prime is 1245355231339. The reversal of 1245355231330 is 331325535421.

It is an interprime number because it is at equal distance from previous prime (1245355231321) and next prime (1245355231339).

It is a self number, because there is not a number n which added to its sum of digits gives 1245355231330.

It is not an unprimeable number, because it can be changed into a prime (1245355231339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1508571 + ... + 2183230.

It is an arithmetic number, because the mean of its divisors is an integer number (41200510320).

Almost surely, 2^{1245355231330} is an apocalyptic number.

1245355231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1245355231330 is an abundant number, since it is smaller than the sum of its proper divisors (1391477429150).

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

1245355231330 is a wasteful number, since it uses less digits than its factorization.

1245355231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691955.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 1245355231330 in words is "one trillion, two hundred forty-five billion, three hundred fifty-five million, two hundred thirty-one thousand, three hundred thirty".