1230121122102 has 24 divisors (see below), whose sum is σ = 2822042574936. Its totient is φ = 385920351936.

The previous prime is 1230121122101. The next prime is 1230121122133. The reversal of 1230121122102 is 2012211210321.

1230121122102 is a `hidden beast` number, since 1 + 230 + 1 + 211 + 221 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230121122101) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 2010001528 + ... + 2010002139.

It is an arithmetic number, because the mean of its divisors is an integer number (117585107289).

Almost surely, 2^{1230121122102} is an apocalyptic number.

1230121122102 is an abundant number, since it is smaller than the sum of its proper divisors (1591921452834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230121122102 is a wasteful number, since it uses less digits than its factorization.

1230121122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020003692 (or 4020003689 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1230121122102 its reverse (2012211210321), we get a palindrome (3242332332423).

The spelling of 1230121122102 in words is "one trillion, two hundred thirty billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred two".