2012123121002 has 8 divisors (see below), whose sum is σ = 3018386517156. Its totient is φ = 1005994281952.

The previous prime is 2012123120983. The next prime is 2012123121031. The reversal of 2012123121002 is 2001213212102.

It can be written as a sum of positive squares in 2 ways, for example, as 1940256770761 + 71866350241 = 1392931^2 + 268079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 33601883 + ... + 33661710.

Almost surely, 2^{2012123121002} is an apocalyptic number.

2012123121002 is a deficient number, since it is larger than the sum of its proper divisors (1006263396154).

2012123121002 is a wasteful number, since it uses less digits than its factorization.

2012123121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67278552.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2012123121002 its reverse (2001213212102), we get a palindrome (4013336333104).

The spelling of 2012123121002 in words is "two trillion, twelve billion, one hundred twenty-three million, one hundred twenty-one thousand, two".