1204401213212 has 24 divisors (see below), whose sum is σ = 2113817417712. Its totient is φ = 600455721600.

The previous prime is 1204401213181. The next prime is 1204401213233. The reversal of 1204401213212 is 2123121044021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770287 + ... + 2354297.

It is an arithmetic number, because the mean of its divisors is an integer number (88075725738).

Almost surely, 2^{1204401213212} is an apocalyptic number.

It is an amenable number.

1204401213212 is a deficient number, since it is larger than the sum of its proper divisors (909416204500).

1204401213212 is a wasteful number, since it uses less digits than its factorization.

1204401213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585509 (or 585507 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1204401213212 its reverse (2123121044021), we get a palindrome (3327522257233).

The spelling of 1204401213212 in words is "one trillion, two hundred four billion, four hundred one million, two hundred thirteen thousand, two hundred twelve".