1412120120645 has 8 divisors (see below), whose sum is σ = 1824893694456. Its totient is φ = 1042796396736.

The previous prime is 1412120120597. The next prime is 1412120120657. The reversal of 1412120120645 is 5460210212141.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 343660923076 + 1068459197569 = 586226^2 + 1033663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1412120120645 - 2²⁰ = 1412119072069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10862462402 + ... + 10862462531.

It is an arithmetic number, because the mean of its divisors is an integer number (228111711807).

Almost surely, 2^{1412120120645} is an apocalyptic number.

It is an amenable number.

1412120120645 is a deficient number, since it is larger than the sum of its proper divisors (412773573811).

1412120120645 is a wasteful number, since it uses less digits than its factorization.

1412120120645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21724924951.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 1412120120645 its reverse (5460210212141), we get a palindrome (6872330332786).

The spelling of 1412120120645 in words is "one trillion, four hundred twelve billion, one hundred twenty million, one hundred twenty thousand, six hundred forty-five".