1372212370643 has 4 divisors (see below), whose sum is σ = 1372219773168. Its totient is φ = 1372204968120.

The previous prime is 1372212370609. The next prime is 1372212370717. The reversal of 1372212370643 is 3460732122731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1372212370643 - 2¹⁴ = 1372212354259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1372212370643.

It is not an unprimeable number, because it can be changed into a prime (1372212370043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3415871 + ... + 3796392.

It is an arithmetic number, because the mean of its divisors is an integer number (343054943292).

Almost surely, 2^{1372212370643} is an apocalyptic number.

1372212370643 is a deficient number, since it is larger than the sum of its proper divisors (7402525).

1372212370643 is an equidigital number, since it uses as much as digits as its factorization.

1372212370643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7402524.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 1372212370643 in words is "one trillion, three hundred seventy-two billion, two hundred twelve million, three hundred seventy thousand, six hundred forty-three".