212120012020001 has 8 divisors (see below), whose sum is σ = 212196961650240. Its totient is φ = 212043067072848.

The previous prime is 212120012019919. The next prime is 212120012020027. The reversal of 212120012020001 is 100020210021212.

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 212120012020001 - 2¹⁴ = 212120012003617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212120012220001) 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, 90742460 + ... + 93050706.

It is an arithmetic number, because the mean of its divisors is an integer number (26524620206280).

Almost surely, 2^{212120012020001} is an apocalyptic number.

It is an amenable number.

212120012020001 is a deficient number, since it is larger than the sum of its proper divisors (76949630239).

212120012020001 is a wasteful number, since it uses less digits than its factorization.

212120012020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341543.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212120012020001 its reverse (100020210021212), we get a palindrome (312140222041213).

The spelling of 212120012020001 in words is "two hundred twelve trillion, one hundred twenty billion, twelve million, twenty thousand, one".