121433230142 has 16 divisors (see below), whose sum is σ = 208487157120. Its totient is φ = 51963836568.

The previous prime is 121433230133. The next prime is 121433230207. The reversal of 121433230142 is 241032334121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6571808 + ... + 6590259.

It is an arithmetic number, because the mean of its divisors is an integer number (13030447320).

Almost surely, 2^121433230142 is an apocalyptic number.

121433230142 is a deficient number, since it is larger than the sum of its proper divisors (87053926978).

121433230142 is a wasteful number, since it uses less digits than its factorization.

121433230142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13162735.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121433230142 its reverse (241032334121), we get a palindrome (362465564263).

The spelling of 121433230142 in words is "one hundred twenty-one billion, four hundred thirty-three million, two hundred thirty thousand, one hundred forty-two".