121201421302 has 32 divisors (see below), whose sum is σ = 199352885760. Its totient is φ = 54922626720.

The previous prime is 121201421267. The next prime is 121201421317. The reversal of 121201421302 is 203124102121.

121201421302 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 121201421302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195363 + ... + 1292785.

It is an arithmetic number, because the mean of its divisors is an integer number (6229777680).

Almost surely, 2^121201421302 is an apocalyptic number.

121201421302 is a deficient number, since it is larger than the sum of its proper divisors (78151464458).

121201421302 is a wasteful number, since it uses less digits than its factorization.

121201421302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98308.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121201421302 its reverse (203124102121), we get a palindrome (324325523423).

The spelling of 121201421302 in words is "one hundred twenty-one billion, two hundred one million, four hundred twenty-one thousand, three hundred two".