1252532154000 has 320 divisors, whose sum is σ = 4345817778432. Its totient is φ = 309206016000.

The previous prime is 1252532153963. The next prime is 1252532154001. The reversal of 1252532154000 is 4512352521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1252532154001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6121347 + ... + 6322653.

Almost surely, 2^{1252532154000} is an apocalyptic number.

1252532154000 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 1252532154000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172908889216).

1252532154000 is an abundant number, since it is smaller than the sum of its proper divisors (3093285624432).

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

1252532154000 is a wasteful number, since it uses less digits than its factorization.

1252532154000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201411 (or 201395 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 1252532154000 in words is "one trillion, two hundred fifty-two billion, five hundred thirty-two million, one hundred fifty-four thousand".