121012004034 has 24 divisors (see below), whose sum is σ = 262199089152. Its totient is φ = 40336347960.

The previous prime is 121012003943. The next prime is 121012004051. The reversal of 121012004034 is 430400210121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121012003998 and 121012004016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1324347 + ... + 1412769.

It is an arithmetic number, because the mean of its divisors is an integer number (10924962048).

Almost surely, 2^121012004034 is an apocalyptic number.

121012004034 is an abundant number, since it is smaller than the sum of its proper divisors (141187085118).

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

121012004034 is a wasteful number, since it uses less digits than its factorization.

121012004034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164462 (or 164459 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 121012004034 its reverse (430400210121), we get a palindrome (551412214155).

The spelling of 121012004034 in words is "one hundred twenty-one billion, twelve million, four thousand, thirty-four".