212001130201121 has 16 divisors (see below), whose sum is σ = 234335485323648. Its totient is φ = 190770449760000.

The previous prime is 212001130201103. The next prime is 212001130201123. The reversal of 212001130201121 is 121102031100212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212001130201121 - 2²⁶ = 212001063092257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212001130201121.

It is not an unprimeable number, because it can be changed into a prime (212001130201123) 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, 119555750 + ... + 121316031.

It is an arithmetic number, because the mean of its divisors is an integer number (14645967832728).

Almost surely, 2^{212001130201121} is an apocalyptic number.

It is an amenable number.

212001130201121 is a deficient number, since it is larger than the sum of its proper divisors (22334355122527).

212001130201121 is a wasteful number, since it uses less digits than its factorization.

212001130201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240874072.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212001130201121 its reverse (121102031100212), we get a palindrome (333103161301333).

The spelling of 212001130201121 in words is "two hundred twelve trillion, one billion, one hundred thirty million, two hundred one thousand, one hundred twenty-one".