10111020000012 has 18 divisors (see below), whose sum is σ = 25558411666788. Its totient is φ = 3370339999992.

The previous prime is 10111019999989. The next prime is 10111020000031. The reversal of 10111020000012 is 21000002011101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10111019999949 and 10111020000003.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140430833298 + ... + 140430833369.

It is an arithmetic number, because the mean of its divisors is an integer number (1419911759266).

Almost surely, 2^{10111020000012} is an apocalyptic number.

10111020000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111020000012 is an abundant number, since it is smaller than the sum of its proper divisors (15447391666776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10111020000012 is a wasteful number, since it uses less digits than its factorization.

10111020000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280861666677 (or 280861666672 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10111020000012 its reverse (21000002011101), we get a palindrome (31111022011113).

The spelling of 10111020000012 in words is "ten trillion, one hundred eleven billion, twenty million, twelve", and thus it is an aban number.