1016111412 has 48 divisors (see below), whose sum is σ = 2773019200. Its totient is φ = 320876640.

The previous prime is 1016111399. The next prime is 1016111419. The reversal of 1016111412 is 2141116101.

1016111412 is a `hidden beast` number, since 10 + 1 + 611 + 1 + 41 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016111419) 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, 245539 + ... + 249642.

Almost surely, 2^1016111412 is an apocalyptic number.

1016111412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1016111412 is an abundant number, since it is smaller than the sum of its proper divisors (1756907788).

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

1016111412 is a wasteful number, since it uses less digits than its factorization.

1016111412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495213 (or 495205 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 1016111412 is about 31876.5025057643. The cubic root of 1016111412 is about 1005.3418841291.

Adding to 1016111412 its reverse (2141116101), we get a palindrome (3157227513).

The spelling of 1016111412 in words is "one billion, sixteen million, one hundred eleven thousand, four hundred twelve".