101212211102012 has 6 divisors (see below), whose sum is σ = 177121369428528. Its totient is φ = 50606105551004.

The previous prime is 101212211102011. The next prime is 101212211102027. The reversal of 101212211102012 is 210201112212101.

It is a super-2 number, since 2×101212211102012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212211102011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651526387748 + ... + 12651526387755.

It is an arithmetic number, because the mean of its divisors is an integer number (29520228238088).

Almost surely, 2^{101212211102012} is an apocalyptic number.

It is an amenable number.

101212211102012 is a deficient number, since it is larger than the sum of its proper divisors (75909158326516).

101212211102012 is a wasteful number, since it uses less digits than its factorization.

101212211102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25303052775507 (or 25303052775505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101212211102012 its reverse (210201112212101), we get a palindrome (311413323314113).

The spelling of 101212211102012 in words is "one hundred one trillion, two hundred twelve billion, two hundred eleven million, one hundred two thousand, twelve".