212303011121 has 8 divisors (see below), whose sum is σ = 216986559744. Its totient is φ = 207626398560.

The previous prime is 212303011097. The next prime is 212303011183. The reversal of 212303011121 is 121110303212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212303011121 - 2⁶ = 212303011057 is a prime.

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 212303011121.

It is not an unprimeable number, because it can be changed into a prime (212303011321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1672100 + ... + 1794581.

It is an arithmetic number, because the mean of its divisors is an integer number (27123319968).

Almost surely, 2^212303011121 is an apocalyptic number.

It is an amenable number.

212303011121 is a deficient number, since it is larger than the sum of its proper divisors (4683548623).

212303011121 is a wasteful number, since it uses less digits than its factorization.

212303011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468031.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 212303011121 its reverse (121110303212), we get a palindrome (333413314333).

The spelling of 212303011121 in words is "two hundred twelve billion, three hundred three million, eleven thousand, one hundred twenty-one".