101212210012 has 6 divisors (see below), whose sum is σ = 177121367528. Its totient is φ = 50606105004.

The previous prime is 101212209997. The next prime is 101212210013. The reversal of 101212210012 is 210012212101.

It is a super-2 number, since 2×101212210012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101212209974 and 101212210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212210013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651526248 + ... + 12651526255.

Almost surely, 2^101212210012 is an apocalyptic number.

It is an amenable number.

101212210012 is a deficient number, since it is larger than the sum of its proper divisors (75909157516).

101212210012 is a wasteful number, since it uses less digits than its factorization.

101212210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25303052507 (or 25303052505 counting only the distinct ones).

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

Adding to 101212210012 its reverse (210012212101), we get a palindrome (311224422113).

The spelling of 101212210012 in words is "one hundred one billion, two hundred twelve million, two hundred ten thousand, twelve".