121201011203130 has 48 divisors (see below), whose sum is σ = 323639456951304. Its totient is φ = 31446748851840.

The previous prime is 121201011203119. The next prime is 121201011203161. The reversal of 121201011203130 is 31302110102121.

121201011203130 is a `hidden beast` number, since 12 + 120 + 101 + 120 + 313 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 116867623744089 + 4333387459041 = 10810533^2 + 2081679^2 .

It is a super-2 number, since 2×121201011203130² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18198346701 + ... + 18198353360.

Almost surely, 2^{121201011203130} is an apocalyptic number.

121201011203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201011203130 is an abundant number, since it is smaller than the sum of its proper divisors (202438445748174).

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

121201011203130 is a wasteful number, since it uses less digits than its factorization.

121201011203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36396700111 (or 36396700108 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 121201011203130 its reverse (31302110102121), we get a palindrome (152503121305251).

The spelling of 121201011203130 in words is "one hundred twenty-one trillion, two hundred one billion, eleven million, two hundred three thousand, one hundred thirty".