1392218965000 has 40 divisors (see below), whose sum is σ = 3261969046710. Its totient is φ = 556887584000.

The previous prime is 1392218964989. The next prime is 1392218965009. The reversal of 1392218965000 is 5698122931.

It can be written as a sum of positive squares in 5 ways, for example, as 55878340996 + 1336340624004 = 236386^2 + 1156002^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1392218965009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 139216897 + ... + 139226896.

Almost surely, 2^{1392218965000} is an apocalyptic number.

1392218965000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1392218965000 is an abundant number, since it is smaller than the sum of its proper divisors (1869750081710).

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

1392218965000 is an equidigital number, since it uses as much as digits as its factorization.

1392218965000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278443819 (or 278443800 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 1392218965000 in words is "one trillion, three hundred ninety-two billion, two hundred eighteen million, nine hundred sixty-five thousand".