1012212019 has 16 divisors (see below), whose sum is σ = 1248352000. Its totient is φ = 799230240.

The previous prime is 1012212017. The next prime is 1012212049. The reversal of 1012212019 is 9102122101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012212019 - 2¹ = 1012212017 is a prime.

It is a super-2 number, since 2×1012212019² = 2049146342816112722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012211987 and 1012212005.

It is not an unprimeable number, because it can be changed into a prime (1012212017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34264 + ... + 56554.

It is an arithmetic number, because the mean of its divisors is an integer number (78022000).

Almost surely, 2^1012212019 is an apocalyptic number.

1012212019 is a deficient number, since it is larger than the sum of its proper divisors (236139981).

1012212019 is a wasteful number, since it uses less digits than its factorization.

1012212019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22810.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1012212019 is about 31815.2796467358. The cubic root of 1012212019 is about 1004.0542141352.

The spelling of 1012212019 in words is "one billion, twelve million, two hundred twelve thousand, nineteen".