1204012104021 has 48 divisors (see below), whose sum is σ = 1860961609728. Its totient is φ = 747456192000.

The previous prime is 1204012104019. The next prime is 1204012104041.

1204012104021 is a `hidden beast` number, since 12 + 0 + 40 + 1 + 210 + 402 + 1 = 666.

1204012104021 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1204012104021 - 2¹ = 1204012104019 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1204012103985 and 1204012104003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204012104041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22704880 + ... + 22757846.

It is an arithmetic number, because the mean of its divisors is an integer number (38770033536).

Almost surely, 2^{1204012104021} is an apocalyptic number.

It is an amenable number.

1204012104021 is a deficient number, since it is larger than the sum of its proper divisors (656949505707).

1204012104021 is a wasteful number, since it uses less digits than its factorization.

1204012104021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54562 (or 54559 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The spelling of 1204012104021 in words is "one trillion, two hundred four billion, twelve million, one hundred four thousand, twenty-one".