1012100102019 has 12 divisors (see below), whose sum is σ = 1461971575896. Its totient is φ = 674710690752.

The previous prime is 1012100101963. The next prime is 1012100102089. The reversal of 1012100102019 is 9102010012101.

It is a happy number.

It is not a de Polignac number, because 1012100102019 - 2⁷ = 1012100101891 is a prime.

It is a super-2 number, since 2×1012100102019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012100101992 and 1012100102010.

It is not an unprimeable number, because it can be changed into a prime (1012100102089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1608054 + ... + 2147099.

It is an arithmetic number, because the mean of its divisors is an integer number (121830964658).

Almost surely, 2^{1012100102019} is an apocalyptic number.

1012100102019 is a deficient number, since it is larger than the sum of its proper divisors (449871473877).

1012100102019 is a wasteful number, since it uses less digits than its factorization.

1012100102019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785106 (or 3785103 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 1012100102019 in words is "one trillion, twelve billion, one hundred million, one hundred two thousand, nineteen".