100012122212222 has 16 divisors (see below), whose sum is σ = 163657107253872. Its totient is φ = 45459803531520.

The previous prime is 100012122212201. The next prime is 100012122212231. The reversal of 100012122212222 is 222212221210001.

It is a junction number, because it is equal to n+sod(n) for n = 100012122212194 and 100012122212203.

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, 8512883 + ... + 16507374.

It is an arithmetic number, because the mean of its divisors is an integer number (10228569203367).

Almost surely, 2^{100012122212222} is an apocalyptic number.

100012122212222 is a deficient number, since it is larger than the sum of its proper divisors (63644985041650).

100012122212222 is a wasteful number, since it uses less digits than its factorization.

100012122212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25201963.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 100012122212222 its reverse (222212221210001), we get a palindrome (322224343422223).

The spelling of 100012122212222 in words is "one hundred trillion, twelve billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twenty-two".