1012100212012 has 12 divisors (see below), whose sum is σ = 1848182996016. Its totient is φ = 484047927440.

The previous prime is 1012100211949. The next prime is 1012100212033. The reversal of 1012100212012 is 2102120012101.

It is a junction number, because it is equal to n+sod(n) for n = 1012100211983 and 1012100212001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500544539 + ... + 5500544722.

It is an arithmetic number, because the mean of its divisors is an integer number (154015249668).

Almost surely, 2^{1012100212012} is an apocalyptic number.

It is an amenable number.

1012100212012 is a deficient number, since it is larger than the sum of its proper divisors (836082784004).

1012100212012 is a wasteful number, since it uses less digits than its factorization.

1012100212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001089288 (or 11001089286 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012100212012 its reverse (2102120012101), we get a palindrome (3114220224113).

The spelling of 1012100212012 in words is "one trillion, twelve billion, one hundred million, two hundred twelve thousand, twelve".