1252198063900 has 72 divisors (see below), whose sum is σ = 3105953768736. Its totient is φ = 429255571200.

The previous prime is 1252198063843. The next prime is 1252198063939. The reversal of 1252198063900 is 93608912521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4280310 + ... + 4563490.

It is an arithmetic number, because the mean of its divisors is an integer number (43138246788).

Almost surely, 2^{1252198063900} is an apocalyptic number.

1252198063900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252198063900 is an abundant number, since it is smaller than the sum of its proper divisors (1853755704836).

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

1252198063900 is a wasteful number, since it uses less digits than its factorization.

1252198063900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289519 (or 289512 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 1252198063900 in words is "one trillion, two hundred fifty-two billion, one hundred ninety-eight million, sixty-three thousand, nine hundred".