1245235250000 has 140 divisors (see below), whose sum is σ = 3446594008032. Its totient is φ = 426937200000.

The previous prime is 1245235249991. The next prime is 1245235250059. The reversal of 1245235250000 is 525325421.

It is a tau number, because it is divible by the number of its divisors (140).

It is a super-2 number, since 2×1245235250000² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1394219 + ... + 2105781.

Almost surely, 2^{1245235250000} is an apocalyptic number.

1245235250000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245235250000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723297004016).

1245235250000 is an abundant number, since it is smaller than the sum of its proper divisors (2201358758032).

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

1245235250000 is an frugal number, since it uses more digits than its factorization.

1245235250000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711608 (or 711577 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 1245235250000 in words is "one trillion, two hundred forty-five billion, two hundred thirty-five million, two hundred fifty thousand".