121210122001012 has 12 divisors (see below), whose sum is σ = 231401142002016. Its totient is φ = 55095510000440.

The previous prime is 121210122000917. The next prime is 121210122001037. The reversal of 121210122001012 is 210100221012121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377387749968 + ... + 1377387750055.

It is an arithmetic number, because the mean of its divisors is an integer number (19283428500168).

Almost surely, 2^{121210122001012} is an apocalyptic number.

It is an amenable number.

121210122001012 is a deficient number, since it is larger than the sum of its proper divisors (110191020001004).

121210122001012 is a wasteful number, since it uses less digits than its factorization.

121210122001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754775500038 (or 2754775500036 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121210122001012 its reverse (210100221012121), we get a palindrome (331310343013133).

The spelling of 121210122001012 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty-two million, one thousand, twelve".