2102012019 has 32 divisors (see below), whose sum is σ = 3154831680. Its totient is φ = 1383091200.

The previous prime is 2102011981. The next prime is 2102012027. The reversal of 2102012019 is 9102102012.

2102012019 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2102012019 - 2¹² = 2102007923 is a prime.

It is a super-2 number, since 2×2102012019² = 8836909056040912722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102011992 and 2102012010.

It is not an unprimeable number, because it can be changed into a prime (2102012089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1206489 + ... + 1208229.

It is an arithmetic number, because the mean of its divisors is an integer number (98588490).

Almost surely, 2^2102012019 is an apocalyptic number.

2102012019 is a deficient number, since it is larger than the sum of its proper divisors (1052819661).

2102012019 is a wasteful number, since it uses less digits than its factorization.

2102012019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 2102012019 is about 45847.7046208423. The cubic root of 2102012019 is about 1280.9880105718.

The spelling of 2102012019 in words is "two billion, one hundred two million, twelve thousand, nineteen".