212103130032 has 30 divisors (see below), whose sum is σ = 593594176812. Its totient is φ = 70701043296.

The previous prime is 212103130021. The next prime is 212103130049. The reversal of 212103130032 is 230031301212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212103129987 and 212103130014.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 736469058 + ... + 736469345.

Almost surely, 2^212103130032 is an apocalyptic number.

It is an amenable number.

212103130032 is an abundant number, since it is smaller than the sum of its proper divisors (381491046780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212103130032 is a wasteful number, since it uses less digits than its factorization.

212103130032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472938417 (or 1472938408 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 212103130032 its reverse (230031301212), we get a palindrome (442134431244).

The spelling of 212103130032 in words is "two hundred twelve billion, one hundred three million, one hundred thirty thousand, thirty-two".