1252432451000 has 64 divisors (see below), whose sum is σ = 2935181508480. Its totient is φ = 500205532800.

The previous prime is 1252432450987. The next prime is 1252432451003. The reversal of 1252432451000 is 1542342521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252432451003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305984 + ... + 1611983.

It is an arithmetic number, because the mean of its divisors is an integer number (45862211070).

Almost surely, 2^{1252432451000} is an apocalyptic number.

1252432451000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252432451000 is an abundant number, since it is smaller than the sum of its proper divisors (1682749057480).

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

1252432451000 is a wasteful number, since it uses less digits than its factorization.

1252432451000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918641 (or 1918627 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 1252432451000 its reverse (1542342521), we get a palindrome (1253974793521).

The spelling of 1252432451000 in words is "one trillion, two hundred fifty-two billion, four hundred thirty-two million, four hundred fifty-one thousand".