12121011201201 has 16 divisors (see below), whose sum is σ = 18470867557248. Its totient is φ = 6926008896000.

The previous prime is 12121011201151. The next prime is 12121011201227. The reversal of 12121011201201 is 10210211012121.

It is a happy number.

It is not a de Polignac number, because 12121011201201 - 2¹³ = 12121011193009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12121011201281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11274450 + ... + 12302651.

It is an arithmetic number, because the mean of its divisors is an integer number (1154429222328).

Almost surely, 2^{12121011201201} is an apocalyptic number.

It is an amenable number.

12121011201201 is a deficient number, since it is larger than the sum of its proper divisors (6349856356047).

12121011201201 is a wasteful number, since it uses less digits than its factorization.

12121011201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23601592.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12121011201201 its reverse (10210211012121), we get a palindrome (22331222213322).

The spelling of 12121011201201 in words is "twelve trillion, one hundred twenty-one billion, eleven million, two hundred one thousand, two hundred one".