212012100201 has 16 divisors (see below), whose sum is σ = 308594423808. Its totient is φ = 128403354000.

The previous prime is 212012100197. The next prime is 212012100211. The reversal of 212012100201 is 102001210212.

It is not a de Polignac number, because 212012100201 - 2² = 212012100197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212012100211) 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, 2172225 + ... + 2267726.

It is an arithmetic number, because the mean of its divisors is an integer number (19287151488).

Almost surely, 2^212012100201 is an apocalyptic number.

It is an amenable number.

212012100201 is a deficient number, since it is larger than the sum of its proper divisors (96582323607).

212012100201 is a wasteful number, since it uses less digits than its factorization.

212012100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441412.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212012100201 its reverse (102001210212), we get a palindrome (314013310413).

It can be divided in two parts, 212012 and 100201, that added together give a palindrome (312213).

The spelling of 212012100201 in words is "two hundred twelve billion, twelve million, one hundred thousand, two hundred one".