20121402233204 has 12 divisors (see below), whose sum is σ = 35961655055424. Its totient is φ = 9846643645944.

The previous prime is 20121402233147. The next prime is 20121402233221. The reversal of 20121402233204 is 40233220412102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53514367454 + ... + 53514367829.

It is an arithmetic number, because the mean of its divisors is an integer number (2996804587952).

Almost surely, 2^{20121402233204} is an apocalyptic number.

It is an amenable number.

20121402233204 is a deficient number, since it is larger than the sum of its proper divisors (15840252822220).

20121402233204 is a wasteful number, since it uses less digits than its factorization.

20121402233204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107028735334 (or 107028735332 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20121402233204 its reverse (40233220412102), we get a palindrome (60354622645306).

The spelling of 20121402233204 in words is "twenty trillion, one hundred twenty-one billion, four hundred two million, two hundred thirty-three thousand, two hundred four".