101212120012 has 12 divisors (see below), whose sum is σ = 177195553696. Its totient is φ = 50584818960.

The previous prime is 101212120003. The next prime is 101212120021. The reversal of 101212120012 is 210021212101.

It is an interprime number because it is at equal distance from previous prime (101212120003) and next prime (101212120021).

It is a junction number, because it is equal to n+sod(n) for n = 101212119974 and 101212120001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5299539 + ... + 5318602.

Almost surely, 2^101212120012 is an apocalyptic number.

It is an amenable number.

101212120012 is a deficient number, since it is larger than the sum of its proper divisors (75983433684).

101212120012 is a wasteful number, since it uses less digits than its factorization.

101212120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10620528 (or 10620526 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101212120012 its reverse (210021212101), we get a palindrome (311233332113).

The spelling of 101212120012 in words is "one hundred one billion, two hundred twelve million, one hundred twenty thousand, twelve".