121220011204 has 12 divisors (see below), whose sum is σ = 217068392464. Its totient is φ = 59200470504.

The previous prime is 121220011201. The next prime is 121220011217. The reversal of 121220011204 is 402110022121.

121220011204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121220011204² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121220011201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352383582 + ... + 352383925.

Almost surely, 2^121220011204 is an apocalyptic number.

It is an amenable number.

121220011204 is a deficient number, since it is larger than the sum of its proper divisors (95848381260).

121220011204 is a wasteful number, since it uses less digits than its factorization.

121220011204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704767554 (or 704767552 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121220011204 its reverse (402110022121), we get a palindrome (523330033325).

The spelling of 121220011204 in words is "one hundred twenty-one billion, two hundred twenty million, eleven thousand, two hundred four".