121222122000002 has 8 divisors (see below), whose sum is σ = 182291201094396. Its totient is φ = 60458388301872.

The previous prime is 121222121999987. The next prime is 121222122000037. The reversal of 121222122000002 is 200000221222121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 114150612488641 + 7071509511361 = 10684129^2 + 2659231^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76336348073 + ... + 76336349660.

Almost surely, 2^{121222122000002} is an apocalyptic number.

121222122000002 is a deficient number, since it is larger than the sum of its proper divisors (61069079094394).

121222122000002 is a wasteful number, since it uses less digits than its factorization.

121222122000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152672698132.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121222122000002 its reverse (200000221222121), we get a palindrome (321222343222123).

The spelling of 121222122000002 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred twenty-two million, two", and thus it is an aban number.