1012235616 has 240 divisors, whose sum is σ = 3477551616. Its totient is φ = 282818304.

The previous prime is 1012235563. The next prime is 1012235657. The reversal of 1012235616 is 6165322101.

1012235616 is a `hidden beast` number, since 1 + 0 + 12 + 2 + 35 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1012235616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 852175 + ... + 853361.

Almost surely, 2^1012235616 is an apocalyptic number.

1012235616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012235616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1738775808).

1012235616 is an abundant number, since it is smaller than the sum of its proper divisors (2465316000).

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

1012235616 is a wasteful number, since it uses less digits than its factorization.

1012235616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1012235616 is about 31815.6504883996. The cubic root of 1012235616 is about 1004.0620163488.

Adding to 1012235616 its reverse (6165322101), we get a palindrome (7177557717).

The spelling of 1012235616 in words is "one billion, twelve million, two hundred thirty-five thousand, six hundred sixteen".