20112321341012 has 6 divisors (see below), whose sum is σ = 35196562346778. Its totient is φ = 10056160670504.

The previous prime is 20112321340999. The next prime is 20112321341041. The reversal of 20112321341012 is 21014312321102.

It can be written as a sum of positive squares in only one way, i.e., 14252029334596 + 5860292006416 = 3775186^2 + 2420804^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2514040167623 + ... + 2514040167630.

It is an arithmetic number, because the mean of its divisors is an integer number (5866093724463).

Almost surely, 2^{20112321341012} is an apocalyptic number.

It is an amenable number.

20112321341012 is a deficient number, since it is larger than the sum of its proper divisors (15084241005766).

20112321341012 is a wasteful number, since it uses less digits than its factorization.

20112321341012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028080335257 (or 5028080335255 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20112321341012 its reverse (21014312321102), we get a palindrome (41126633662114).

The spelling of 20112321341012 in words is "twenty trillion, one hundred twelve billion, three hundred twenty-one million, three hundred forty-one thousand, twelve".