100120111210012 has 6 divisors (see below), whose sum is σ = 175210194617528. Its totient is φ = 50060055605004.

The previous prime is 100120111210001. The next prime is 100120111210013. The reversal of 100120111210012 is 210012111021001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100120111209974 and 100120111210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120111210013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515013901248 + ... + 12515013901255.

Almost surely, 2^{100120111210012} is an apocalyptic number.

It is an amenable number.

100120111210012 is a deficient number, since it is larger than the sum of its proper divisors (75090083407516).

100120111210012 is a wasteful number, since it uses less digits than its factorization.

100120111210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25030027802507 (or 25030027802505 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100120111210012 its reverse (210012111021001), we get a palindrome (310132222231013).

The spelling of 100120111210012 in words is "one hundred trillion, one hundred twenty billion, one hundred eleven million, two hundred ten thousand, twelve".