1212110012 has 24 divisors (see below), whose sum is σ = 2154055680. Its totient is φ = 596689520.

The previous prime is 1212109999. The next prime is 1212110041. The reversal of 1212110012 is 2100112121.

It is a junction number, because it is equal to n+sod(n) for n = 1212109975 and 1212110002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235733 + ... + 240819.

It is an arithmetic number, because the mean of its divisors is an integer number (89752320).

Almost surely, 2^1212110012 is an apocalyptic number.

It is an amenable number.

1212110012 is a deficient number, since it is larger than the sum of its proper divisors (941945668).

1212110012 is a wasteful number, since it uses less digits than its factorization.

1212110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6001 (or 5999 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1212110012 is about 34815.3703412731. The cubic root of 1212110012 is about 1066.2212802441.

Adding to 1212110012 its reverse (2100112121), we get a palindrome (3312222133).

The spelling of 1212110012 in words is "one billion, two hundred twelve million, one hundred ten thousand, twelve".