1212222096 has 30 divisors (see below), whose sum is σ = 3392538630. Its totient is φ = 404073984.

The previous prime is 1212222091. The next prime is 1212222133. The reversal of 1212222096 is 6902222121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1208535696 + 3686400 = 34764^2 + 1920^2 .

It is not an unprimeable number, because it can be changed into a prime (1212222091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4208961 + ... + 4209248.

It is an arithmetic number, because the mean of its divisors is an integer number (113084621).

Almost surely, 2^1212222096 is an apocalyptic number.

1212222096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1212222096 is an abundant number, since it is smaller than the sum of its proper divisors (2180316534).

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

1212222096 is a wasteful number, since it uses less digits than its factorization.

1212222096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418223 (or 8418214 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1212222096 is about 34816.9799953988. The cubic root of 1212222096 is about 1066.2541437800.

The spelling of 1212222096 in words is "one billion, two hundred twelve million, two hundred twenty-two thousand, ninety-six".