101210012 has 6 divisors (see below), whose sum is σ = 177117528. Its totient is φ = 50605004.

The previous prime is 101209991. The next prime is 101210077. The reversal of 101210012 is 210012101.

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, 12651248 + ... + 12651255.

It is an arithmetic number, because the mean of its divisors is an integer number (29519588).

Almost surely, 2^101210012 is an apocalyptic number.

It is an amenable number.

101210012 is a deficient number, since it is larger than the sum of its proper divisors (75907516).

101210012 is a wasteful number, since it uses less digits than its factorization.

101210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25302507 (or 25302505 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 101210012 is about 10060.3186828251. The cubic root of 101210012 is about 466.0235087945.

Adding to 101210012 its reverse (210012101), we get a palindrome (311222113).

It can be divided in two parts, 101 and 210012, that multiplied together give a palindrome (21211212).

The spelling of 101210012 in words is "one hundred one million, two hundred ten thousand, twelve".