101200012 has 6 divisors (see below), whose sum is σ = 177100028. Its totient is φ = 50600004.

The previous prime is 101200007. The next prime is 101200051. The reversal of 101200012 is 210002101.

It is a junction number, because it is equal to n+sod(n) for n = 101199968 and 101200004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12649998 + ... + 12650005.

Almost surely, 2^101200012 is an apocalyptic number.

It is an amenable number.

101200012 is a deficient number, since it is larger than the sum of its proper divisors (75900016).

101200012 is a wasteful number, since it uses less digits than its factorization.

101200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25300007 (or 25300005 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 101200012 is about 10059.8216683995. The cubic root of 101200012 is about 466.0081598895.

Adding to 101200012 its reverse (210002101), we get a palindrome (311202113).

The spelling of 101200012 in words is "one hundred one million, two hundred thousand, twelve".