212010030121 has 8 divisors (see below), whose sum is σ = 214090703424. Its totient is φ = 209929786320.

The previous prime is 212010030101. The next prime is 212010030137. The reversal of 212010030121 is 121030010212.

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 212010030121 - 2²³ = 212001641513 is a prime.

It is a super-4 number, since 4×212010030121⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212010030101) 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, 933990 + ... + 1138576.

It is an arithmetic number, because the mean of its divisors is an integer number (26761337928).

Almost surely, 2^212010030121 is an apocalyptic number.

It is an amenable number.

212010030121 is a deficient number, since it is larger than the sum of its proper divisors (2080673303).

212010030121 is a wasteful number, since it uses less digits than its factorization.

212010030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214751.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212010030121 its reverse (121030010212), we get a palindrome (333040040333).

The spelling of 212010030121 in words is "two hundred twelve billion, ten million, thirty thousand, one hundred twenty-one".