212030032109 has 16 divisors (see below), whose sum is σ = 243843811968. Its totient is φ = 180597537792.

The previous prime is 212030032061. The next prime is 212030032129. The reversal of 212030032109 is 901230030212.

It is a de Polignac number, because none of the positive numbers 2^k-212030032109 is a prime.

It is a super-2 number, since 2×212030032109² (a number of 23 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 (212030032129) 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, 11785529 + ... + 11803505.

It is an arithmetic number, because the mean of its divisors is an integer number (15240238248).

Almost surely, 2^212030032109 is an apocalyptic number.

It is an amenable number.

212030032109 is a deficient number, since it is larger than the sum of its proper divisors (31813779859).

212030032109 is a wasteful number, since it uses less digits than its factorization.

212030032109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28484.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 212030032109 in words is "two hundred twelve billion, thirty million, thirty-two thousand, one hundred nine".