12010201212121 has 32 divisors (see below), whose sum is σ = 14492513419776. Its totient is φ = 9739590336000.

The previous prime is 12010201212101. The next prime is 12010201212137. The reversal of 12010201212121 is 12121210201021.

It is not a de Polignac number, because 12010201212121 - 2³³ = 12001611277529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12010201212095 and 12010201212104.

It is not an unprimeable number, because it can be changed into a prime (12010201212101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3588150 + ... + 6074143.

It is an arithmetic number, because the mean of its divisors is an integer number (452891044368).

Almost surely, 2^{12010201212121} is an apocalyptic number.

It is an amenable number.

12010201212121 is a deficient number, since it is larger than the sum of its proper divisors (2482312207655).

12010201212121 is an equidigital number, since it uses as much as digits as its factorization.

12010201212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9662473.

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

Adding to 12010201212121 its reverse (12121210201021), we get a palindrome (24131411413142).

The spelling of 12010201212121 in words is "twelve trillion, ten billion, two hundred one million, two hundred twelve thousand, one hundred twenty-one".