121201203130 has 64 divisors (see below), whose sum is σ = 259870261248. Its totient is φ = 39823721280.

The previous prime is 121201203107. The next prime is 121201203131. The reversal of 121201203130 is 31302102121.

It is not an unprimeable number, because it can be changed into a prime (121201203131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47622 + ... + 494641.

It is an arithmetic number, because the mean of its divisors is an integer number (4060472832).

Almost surely, 2^121201203130 is an apocalyptic number.

121201203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201203130 is an abundant number, since it is smaller than the sum of its proper divisors (138669058118).

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

121201203130 is a wasteful number, since it uses less digits than its factorization.

121201203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542411.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121201203130 its reverse (31302102121), we get a palindrome (152503305251).

The spelling of 121201203130 in words is "one hundred twenty-one billion, two hundred one million, two hundred three thousand, one hundred thirty".