204121401123124 has 12 divisors (see below), whose sum is σ = 357213388621824. Its totient is φ = 102060432945464.

The previous prime is 204121401123119. The next prime is 204121401123131. The reversal of 204121401123124 is 421321104121402.

It is a junction number, because it is equal to n+sod(n) for n = 204121401123092 and 204121401123101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65182942 + ... + 68242645.

It is an arithmetic number, because the mean of its divisors is an integer number (29767782385152).

Almost surely, 2^{204121401123124} is an apocalyptic number.

It is an amenable number.

204121401123124 is a deficient number, since it is larger than the sum of its proper divisors (153091987498700).

204121401123124 is a wasteful number, since it uses less digits than its factorization.

204121401123124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133808054 (or 133808052 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 204121401123124 its reverse (421321104121402), we get a palindrome (625442505244526).

The spelling of 204121401123124 in words is "two hundred four trillion, one hundred twenty-one billion, four hundred one million, one hundred twenty-three thousand, one hundred twenty-four".