10121212001201 has 4 divisors (see below), whose sum is σ = 11567099429952. Its totient is φ = 8675324572452.

The previous prime is 10121212001167. The next prime is 10121212001279. The reversal of 10121212001201 is 10210021212101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10121212001201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121212901201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722943714365 + ... + 722943714378.

It is an arithmetic number, because the mean of its divisors is an integer number (2891774857488).

Almost surely, 2^{10121212001201} is an apocalyptic number.

It is an amenable number.

10121212001201 is a deficient number, since it is larger than the sum of its proper divisors (1445887428751).

10121212001201 is an equidigital number, since it uses as much as digits as its factorization.

10121212001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445887428750.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10121212001201 its reverse (10210021212101), we get a palindrome (20331233213302).

The spelling of 10121212001201 in words is "ten trillion, one hundred twenty-one billion, two hundred twelve million, one thousand, two hundred one".