10121200101112 has 8 divisors (see below), whose sum is σ = 18977250189600. Its totient is φ = 5060600050552.

The previous prime is 10121200101083. The next prime is 10121200101149. The reversal of 10121200101112 is 21110100212101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 10121200101092 and 10121200101101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632575006312 + ... + 632575006327.

It is an arithmetic number, because the mean of its divisors is an integer number (2372156273700).

Almost surely, 2^{10121200101112} is an apocalyptic number.

It is an amenable number.

10121200101112 is a deficient number, since it is larger than the sum of its proper divisors (8856050088488).

10121200101112 is a wasteful number, since it uses less digits than its factorization.

10121200101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265150012645 (or 1265150012641 counting only the distinct ones).

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

Adding to 10121200101112 its reverse (21110100212101), we get a palindrome (31231300313213).

The spelling of 10121200101112 in words is "ten trillion, one hundred twenty-one billion, two hundred million, one hundred one thousand, one hundred twelve".