121325045250 has 64 divisors (see below), whose sum is σ = 313269690240. Its totient is φ = 31237707200.

The previous prime is 121325045201. The next prime is 121325045263. The reversal of 121325045250 is 52540523121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2767332 + ... + 2810831.

It is an arithmetic number, because the mean of its divisors is an integer number (4894838910).

Almost surely, 2^121325045250 is an apocalyptic number.

121325045250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121325045250 is an abundant number, since it is smaller than the sum of its proper divisors (191944644990).

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

121325045250 is a wasteful number, since it uses less digits than its factorization.

121325045250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578212 (or 5578202 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 121325045250 its reverse (52540523121), we get a palindrome (173865568371).

The spelling of 121325045250 in words is "one hundred twenty-one billion, three hundred twenty-five million, forty-five thousand, two hundred fifty".