1252012000 has 48 divisors (see below), whose sum is σ = 3076203312. Its totient is φ = 500803200.

The previous prime is 1252011989. The next prime is 1252012001. The reversal of 1252012000 is 2102521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252012001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152502 + ... + 160501.

It is an arithmetic number, because the mean of its divisors is an integer number (64087569).

Almost surely, 2^1252012000 is an apocalyptic number.

1252012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252012000 is an abundant number, since it is smaller than the sum of its proper divisors (1824191312).

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

1252012000 is an equidigital number, since it uses as much as digits as its factorization.

1252012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313028 (or 313010 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1252012000 is about 35383.7815955276. The cubic root of 1252012000 is about 1077.7949982094.

Adding to 1252012000 its reverse (2102521), we get a palindrome (1254114521).

The spelling of 1252012000 in words is "one billion, two hundred fifty-two million, twelve thousand".