121230311342 has 32 divisors (see below), whose sum is σ = 214959273984. Its totient is φ = 50196484800.

The previous prime is 121230311339. The next prime is 121230311351. The reversal of 121230311342 is 243113032121.

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, 966134 + ... + 1084377.

It is an arithmetic number, because the mean of its divisors is an integer number (6717477312).

Almost surely, 2^121230311342 is an apocalyptic number.

121230311342 is a deficient number, since it is larger than the sum of its proper divisors (93728962642).

121230311342 is a wasteful number, since it uses less digits than its factorization.

121230311342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050664.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121230311342 its reverse (243113032121), we get a palindrome (364343343463).

The spelling of 121230311342 in words is "one hundred twenty-one billion, two hundred thirty million, three hundred eleven thousand, three hundred forty-two".