211212010012103 has 16 divisors (see below), whose sum is σ = 216242144366976. Its totient is φ = 206204388180480.

The previous prime is 211212010012067. The next prime is 211212010012109. The reversal of 211212010012103 is 301210010212112.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211212010012103 is a prime.

It is a super-2 number, since 2×211212010012103² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211212010012109) 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, 114946733 + ... + 116769753.

It is an arithmetic number, because the mean of its divisors is an integer number (13515134022936).

Almost surely, 2^{211212010012103} is an apocalyptic number.

211212010012103 is a deficient number, since it is larger than the sum of its proper divisors (5030134354873).

211212010012103 is a wasteful number, since it uses less digits than its factorization.

211212010012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829194.

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

Adding to 211212010012103 its reverse (301210010212112), we get a palindrome (512422020224215).

The spelling of 211212010012103 in words is "two hundred eleven trillion, two hundred twelve billion, ten million, twelve thousand, one hundred three".