961211412 has 72 divisors (see below), whose sum is σ = 2805531456. Its totient is φ = 271793664.

The previous prime is 961211411. The next prime is 961211417. The reversal of 961211412 is 214112169.

961211412 is a `hidden beast` number, since 9 + 612 + 1 + 1 + 41 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961211411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4783 + ... + 44105.

Almost surely, 2^961211412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 961211412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1402765728).

961211412 is an abundant number, since it is smaller than the sum of its proper divisors (1844320044).

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

961211412 is a wasteful number, since it uses less digits than its factorization.

961211412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39437 (or 39432 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 961211412 is about 31003.4096834526. The cubic root of 961211412 is about 986.8995996086.

The spelling of 961211412 in words is "nine hundred sixty-one million, two hundred eleven thousand, four hundred twelve".