121001231004 has 24 divisors (see below), whose sum is σ = 283547955600. Its totient is φ = 40160636544.

The previous prime is 121001230993. The next prime is 121001231023. The reversal of 121001231004 is 400132100121.

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, 21635479 + ... + 21641070.

It is an arithmetic number, because the mean of its divisors is an integer number (11814498150).

Almost surely, 2^121001231004 is an apocalyptic number.

It is an amenable number.

121001231004 is an abundant number, since it is smaller than the sum of its proper divisors (162546724596).

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

121001231004 is a wasteful number, since it uses less digits than its factorization.

121001231004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43276789 (or 43276787 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121001231004 its reverse (400132100121), we get a palindrome (521133331125).

The spelling of 121001231004 in words is "one hundred twenty-one billion, one million, two hundred thirty-one thousand, four".