121404430202 has 16 divisors (see below), whose sum is σ = 205070241024. Its totient is φ = 53403708000.

The previous prime is 121404430193. The next prime is 121404430211. The reversal of 121404430202 is 202034404121.

It is an interprime number because it is at equal distance from previous prime (121404430193) and next prime (121404430211).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89005499 + ... + 89006862.

It is an arithmetic number, because the mean of its divisors is an integer number (12816890064).

Almost surely, 2^121404430202 is an apocalyptic number.

121404430202 is a deficient number, since it is larger than the sum of its proper divisors (83665810822).

121404430202 is a wasteful number, since it uses less digits than its factorization.

121404430202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178012405.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 121404430202 its reverse (202034404121), we get a palindrome (323438834323).

The spelling of 121404430202 in words is "one hundred twenty-one billion, four hundred four million, four hundred thirty thousand, two hundred two".