1215010012 has 6 divisors (see below), whose sum is σ = 2126267528. Its totient is φ = 607505004.

The previous prime is 1215009989. The next prime is 1215010073. The reversal of 1215010012 is 2100105121.

It is a junction number, because it is equal to n+sod(n) for n = 1215009974 and 1215010001.

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, 151876248 + ... + 151876255.

Almost surely, 2^1215010012 is an apocalyptic number.

It is an amenable number.

1215010012 is a deficient number, since it is larger than the sum of its proper divisors (911257516).

1215010012 is a wasteful number, since it uses less digits than its factorization.

1215010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303752507 (or 303752505 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1215010012 is about 34856.9937315311. The cubic root of 1215010012 is about 1067.0709223362.

Adding to 1215010012 its reverse (2100105121), we get a palindrome (3315115133).

The spelling of 1215010012 in words is "one billion, two hundred fifteen million, ten thousand, twelve".