121069202500 has 45 divisors (see below), whose sum is σ = 264792182347. Its totient is φ = 48420722000.

The previous prime is 121069202477. The next prime is 121069202503. The reversal of 121069202500 is 5202960121.

The square root of 121069202500 is 347950.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 9491825476 + 111577377024 = 97426^2 + 334032^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121069202503) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 17394021 + ... + 17400979.

Almost surely, 2^121069202500 is an apocalyptic number.

121069202500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121069202500 is the 347950-th square number.

It is an amenable number.

121069202500 is an abundant number, since it is smaller than the sum of its proper divisors (143722979847).

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

121069202500 is an frugal number, since it uses more digits than its factorization.

121069202500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13942 (or 6966 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 121069202500 in words is "one hundred twenty-one billion, sixty-nine million, two hundred two thousand, five hundred".