1345242402120 has 128 divisors (see below), whose sum is σ = 4215052598400. Its totient is φ = 343119937536.

The previous prime is 1345242402067. The next prime is 1345242402173. The reversal of 1345242402120 is 212042425431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1345242402067) and next prime (1345242402173).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2305689 + ... + 2829608.

It is an arithmetic number, because the mean of its divisors is an integer number (32930098425).

Almost surely, 2^{1345242402120} is an apocalyptic number.

1345242402120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345242402120 is an abundant number, since it is smaller than the sum of its proper divisors (2869810196280).

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

1345242402120 is a wasteful number, since it uses less digits than its factorization.

1345242402120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135407 (or 5135403 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1345242402120 its reverse (212042425431), we get a palindrome (1557284827551).

The spelling of 1345242402120 in words is "one trillion, three hundred forty-five billion, two hundred forty-two million, four hundred two thousand, one hundred twenty".