10120004212 has 6 divisors (see below), whose sum is σ = 17710007378. Its totient is φ = 5060002104.

The previous prime is 10120004149. The next prime is 10120004231. The reversal of 10120004212 is 21240002101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8720944996 + 1399059216 = 93386^2 + 37404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10120004192 and 10120004201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265000523 + ... + 1265000530.

Almost surely, 2^10120004212 is an apocalyptic number.

It is an amenable number.

10120004212 is a deficient number, since it is larger than the sum of its proper divisors (7590003166).

10120004212 is a wasteful number, since it uses less digits than its factorization.

10120004212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530001057 (or 2530001055 counting only the distinct ones).

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

Adding to 10120004212 its reverse (21240002101), we get a palindrome (31360006313).

The spelling of 10120004212 in words is "ten billion, one hundred twenty million, four thousand, two hundred twelve".