1122412000 has 48 divisors (see below), whose sum is σ = 2757776112. Its totient is φ = 448963200.

The previous prime is 1122411991. The next prime is 1122412003. The reversal of 1122412000 is 2142211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122412003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136302 + ... + 144301.

It is an arithmetic number, because the mean of its divisors is an integer number (57453669).

Almost surely, 2^1122412000 is an apocalyptic number.

1122412000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122412000 is an abundant number, since it is smaller than the sum of its proper divisors (1635364112).

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

1122412000 is an equidigital number, since it uses as much as digits as its factorization.

1122412000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280628 (or 280610 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1122412000 is about 33502.4178231960. The cubic root of 1122412000 is about 1039.2437796476.

Adding to 1122412000 its reverse (2142211), we get a palindrome (1124554211).

The spelling of 1122412000 in words is "one billion, one hundred twenty-two million, four hundred twelve thousand".