121023303042 has 32 divisors (see below), whose sum is σ = 256655680704. Its totient is φ = 37913126400.

The previous prime is 121023303041. The next prime is 121023303053. The reversal of 121023303042 is 240303320121.

It is not an unprimeable number, because it can be changed into a prime (121023303041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788059 + ... + 929022.

It is an arithmetic number, because the mean of its divisors is an integer number (8020490022).

Almost surely, 2^121023303042 is an apocalyptic number.

121023303042 is an abundant number, since it is smaller than the sum of its proper divisors (135632377662).

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

121023303042 is a wasteful number, since it uses less digits than its factorization.

121023303042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717794.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 121023303042 its reverse (240303320121), we get a palindrome (361326623163).

The spelling of 121023303042 in words is "one hundred twenty-one billion, twenty-three million, three hundred three thousand, forty-two".