450121025212000 has 48 divisors (see below), whose sum is σ = 1105947358955712. Its totient is φ = 180048410083200.

The previous prime is 450121025211997. The next prime is 450121025212009. The reversal of 450121025212000 is 212520121054.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450121025212009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56265124152 + ... + 56265132151.

It is an arithmetic number, because the mean of its divisors is an integer number (23040569978244).

Almost surely, 2^{450121025212000} is an apocalyptic number.

450121025212000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450121025212000 is an abundant number, since it is smaller than the sum of its proper divisors (655826333743712).

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

450121025212000 is a wasteful number, since it uses less digits than its factorization.

450121025212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112530256328 (or 112530256310 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 450121025212000 its reverse (212520121054), we get a palindrome (450333545333054).

The spelling of 450121025212000 in words is "four hundred fifty trillion, one hundred twenty-one billion, twenty-five million, two hundred twelve thousand".