121230100130212 has 24 divisors (see below), whose sum is σ = 212769712298304. Its totient is φ = 60438763031712.

The previous prime is 121230100130141. The next prime is 121230100130231. The reversal of 121230100130212 is 212031001032121.

It is a self number, because there is not a number n which added to its sum of digits gives 121230100130212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52044273 + ... + 54323719.

It is an arithmetic number, because the mean of its divisors is an integer number (8865404679096).

Almost surely, 2^{121230100130212} is an apocalyptic number.

It is an amenable number.

121230100130212 is a deficient number, since it is larger than the sum of its proper divisors (91539612168092).

121230100130212 is a wasteful number, since it uses less digits than its factorization.

121230100130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318115 (or 2318113 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121230100130212 its reverse (212031001032121), we get a palindrome (333261101162333).

The spelling of 121230100130212 in words is "one hundred twenty-one trillion, two hundred thirty billion, one hundred million, one hundred thirty thousand, two hundred twelve".