121320011202030 has 24 divisors (see below), whose sum is σ = 315432029125512. Its totient is φ = 32352002987184.

The previous prime is 121320011201989. The next prime is 121320011202037. The reversal of 121320011202030 is 30202110023121.

121320011202030 is a `hidden beast` number, since 1 + 21 + 320 + 0 + 1 + 120 + 203 + 0 = 666.

It is a super-2 number, since 2×121320011202030² (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 a junction number, because it is equal to n+sod(n) for n = 121320011201994 and 121320011202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320011202037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674000062144 + ... + 674000062323.

It is an arithmetic number, because the mean of its divisors is an integer number (13143001213563).

Almost surely, 2^{121320011202030} is an apocalyptic number.

121320011202030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121320011202030 is an abundant number, since it is smaller than the sum of its proper divisors (194112017923482).

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

121320011202030 is a wasteful number, since it uses less digits than its factorization.

121320011202030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348000124480 (or 1348000124477 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121320011202030 its reverse (30202110023121), we get a palindrome (151522121225151).

The spelling of 121320011202030 in words is "one hundred twenty-one trillion, three hundred twenty billion, eleven million, two hundred two thousand, thirty".