2012121101002 has 4 divisors (see below), whose sum is σ = 3018181651506. Its totient is φ = 1006060550500.

The previous prime is 2012121100993. The next prime is 2012121101027. The reversal of 2012121101002 is 2001011212102.

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., 2008396318041 + 3724782961 = 1417179^2 + 61031^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503030275249 + ... + 503030275252.

Almost surely, 2^{2012121101002} is an apocalyptic number.

2012121101002 is a deficient number, since it is larger than the sum of its proper divisors (1006060550504).

2012121101002 is a wasteful number, since it uses less digits than its factorization.

2012121101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006060550503.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2012121101002 its reverse (2001011212102), we get a palindrome (4013132313104).

The spelling of 2012121101002 in words is "two trillion, twelve billion, one hundred twenty-one million, one hundred one thousand, two".