1290215023000 has 64 divisors (see below), whose sum is σ = 3019432684320. Its totient is φ = 516029680000.

The previous prime is 1290215022991. The next prime is 1290215023037. The reversal of 1290215023000 is 3205120921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9785514 + ... + 9916486.

Almost surely, 2^{1290215023000} is an apocalyptic number.

1290215023000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1290215023000 is an abundant number, since it is smaller than the sum of its proper divisors (1729217661320).

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

1290215023000 is a wasteful number, since it uses less digits than its factorization.

1290215023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140845 (or 140831 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 1290215023000 in words is "one trillion, two hundred ninety billion, two hundred fifteen million, twenty-three thousand".