121203020202030 has 96 divisors (see below), whose sum is σ = 339372407162880. Its totient is φ = 29834242283520.

The previous prime is 121203020201959. The next prime is 121203020202079. The reversal of 121203020202030 is 30202020302121.

121203020202030 is a `hidden beast` number, since 12 + 120 + 302 + 0 + 202 + 0 + 30 = 666.

It is a super-2 number, since 2×121203020202030² (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 = 121203020201994 and 121203020202012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108357715 + ... + 109470545.

It is an arithmetic number, because the mean of its divisors is an integer number (3535129241280).

Almost surely, 2^{121203020202030} is an apocalyptic number.

121203020202030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121203020202030 is an abundant number, since it is smaller than the sum of its proper divisors (218169386960850).

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

121203020202030 is a wasteful number, since it uses less digits than its factorization.

121203020202030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205946 (or 1205943 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 121203020202030 its reverse (30202020302121), we get a palindrome (151405040504151).

The spelling of 121203020202030 in words is "one hundred twenty-one trillion, two hundred three billion, twenty million, two hundred two thousand, thirty".