100211212222012 has 24 divisors (see below), whose sum is σ = 184673235146400. Its totient is φ = 47487403313856.

The previous prime is 100211212222001. The next prime is 100211212222067. The reversal of 100211212222012 is 210222212112001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4996560187 + ... + 4996580242.

It is an arithmetic number, because the mean of its divisors is an integer number (7694718131100).

Almost surely, 2^{100211212222012} is an apocalyptic number.

It is an amenable number.

100211212222012 is a deficient number, since it is larger than the sum of its proper divisors (84462022924388).

100211212222012 is a wasteful number, since it uses less digits than its factorization.

100211212222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9993140565 (or 9993140563 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100211212222012 its reverse (210222212112001), we get a palindrome (310433424334013).

The spelling of 100211212222012 in words is "one hundred trillion, two hundred eleven billion, two hundred twelve million, two hundred twenty-two thousand, twelve".