121000222010012 has 48 divisors (see below), whose sum is σ = 228340038235680. Its totient is φ = 56091410470656.

The previous prime is 121000222009907. The next prime is 121000222010027. The reversal of 121000222010012 is 210010222000121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44632163 + ... + 47265530.

It is an arithmetic number, because the mean of its divisors is an integer number (4757084129910).

Almost surely, 2^{121000222010012} is an apocalyptic number.

It is an amenable number.

121000222010012 is a deficient number, since it is larger than the sum of its proper divisors (107339816225668).

121000222010012 is an equidigital number, since it uses as much as digits as its factorization.

121000222010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91897815 (or 91897779 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121000222010012 its reverse (210010222000121), we get a palindrome (331010444010133).

The spelling of 121000222010012 in words is "one hundred twenty-one trillion, two hundred twenty-two million, ten thousand, twelve".