125453212000 has 96 divisors (see below), whose sum is σ = 312839785440. Its totient is φ = 49432204800.

The previous prime is 125453211977. The next prime is 125453212033. The reversal of 125453212000 is 212354521.

It is a super-3 number, since 3×125453212000³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 33946 + ... + 502054.

It is an arithmetic number, because the mean of its divisors is an integer number (3258747765).

Almost surely, 2^125453212000 is an apocalyptic number.

125453212000 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 125453212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156419892720).

125453212000 is an abundant number, since it is smaller than the sum of its proper divisors (187386573440).

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

125453212000 is an equidigital number, since it uses as much as digits as its factorization.

125453212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468201 (or 468183 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 125453212000 its reverse (212354521), we get a palindrome (125665566521).

The spelling of 125453212000 in words is "one hundred twenty-five billion, four hundred fifty-three million, two hundred twelve thousand".