22051011423412 has 12 divisors (see below), whose sum is σ = 38589697717956. Its totient is φ = 11025383504000.

The previous prime is 22051011423401. The next prime is 22051011423431. The reversal of 22051011423412 is 21432411015022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4237158766096 + 17813852657316 = 2058436^2 + 4220646^2 .

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, 30145339 + ... + 30868162.

It is an arithmetic number, because the mean of its divisors is an integer number (3215808143163).

Almost surely, 2^{22051011423412} is an apocalyptic number.

It is an amenable number.

22051011423412 is a deficient number, since it is larger than the sum of its proper divisors (16538686294544).

22051011423412 is a wasteful number, since it uses less digits than its factorization.

22051011423412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61103858 (or 61103856 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 22051011423412 its reverse (21432411015022), we get a palindrome (43483422438434).

The spelling of 22051011423412 in words is "twenty-two trillion, fifty-one billion, eleven million, four hundred twenty-three thousand, four hundred twelve".