212000120019 has 16 divisors (see below), whose sum is σ = 324205680640. Its totient is φ = 136774270440.

The previous prime is 212000119963. The next prime is 212000120023. The reversal of 212000120019 is 910021000212.

It is a de Polignac number, because none of the positive numbers 2^k-212000120019 is a prime.

It is a super-2 number, since 2×212000120019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212000119983 and 212000120010.

It is not an unprimeable number, because it can be changed into a prime (212000160019) 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, 126642007 + ... + 126643680.

It is an arithmetic number, because the mean of its divisors is an integer number (20262855040).

Almost surely, 2^212000120019 is an apocalyptic number.

212000120019 is a deficient number, since it is larger than the sum of its proper divisors (112205560621).

212000120019 is a wasteful number, since it uses less digits than its factorization.

212000120019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253285727 (or 253285721 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 212000120019 in words is "two hundred twelve billion, one hundred twenty thousand, nineteen".