10012220212 has 12 divisors (see below), whose sum is σ = 17577366436. Its totient is φ = 4990115520.

The previous prime is 10012220209. The next prime is 10012220263. The reversal of 10012220212 is 21202221001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 672157476 + 9340062736 = 25926^2 + 96644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10012220192 and 10012220201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3997239 + ... + 3999742.

Almost surely, 2^10012220212 is an apocalyptic number.

It is an amenable number.

10012220212 is a deficient number, since it is larger than the sum of its proper divisors (7565146224).

10012220212 is a wasteful number, since it uses less digits than its factorization.

10012220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7997298 (or 7997296 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10012220212 its reverse (21202221001), we get a palindrome (31214441213).

The spelling of 10012220212 in words is "ten billion, twelve million, two hundred twenty thousand, two hundred twelve".