2012100000122 has 4 divisors (see below), whose sum is σ = 3018150000186. Its totient is φ = 1006050000060.

The previous prime is 2012100000121. The next prime is 2012100000139. The reversal of 2012100000122 is 2210000012102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1944270485641 + 67829514481 = 1394371^2 + 260441^2 .

It is not an unprimeable number, because it can be changed into a prime (2012100000121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503025000029 + ... + 503025000032.

Almost surely, 2^{2012100000122} is an apocalyptic number.

2012100000122 is a deficient number, since it is larger than the sum of its proper divisors (1006050000064).

2012100000122 is a wasteful number, since it uses less digits than its factorization.

2012100000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006050000063.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2012100000122 its reverse (2210000012102), we get a palindrome (4222100012224).

The spelling of 2012100000122 in words is "two trillion, twelve billion, one hundred million, one hundred twenty-two", and thus it is an aban number.