1252845012020 has 48 divisors (see below), whose sum is σ = 3056120312448. Its totient is φ = 422505106560.

The previous prime is 1252845011969. The next prime is 1252845012043. The reversal of 1252845012020 is 202105482521.

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, 73343042 + ... + 73360121.

It is an arithmetic number, because the mean of its divisors is an integer number (63669173176).

Almost surely, 2^{1252845012020} is an apocalyptic number.

1252845012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252845012020 is an abundant number, since it is smaller than the sum of its proper divisors (1803275300428).

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

1252845012020 is a wasteful number, since it uses less digits than its factorization.

1252845012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146703240 (or 146703238 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The spelling of 1252845012020 in words is "one trillion, two hundred fifty-two billion, eight hundred forty-five million, twelve thousand, twenty".