1212255323 has 16 divisors (see below), whose sum is σ = 1263203424. Its totient is φ = 1162506240.

The previous prime is 1212255313. The next prime is 1212255367. The reversal of 1212255323 is 3235522121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1212255323 - 2¹⁶ = 1212189787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212255292 and 1212255301.

It is not an unprimeable number, because it can be changed into a prime (1212255313) 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, 600011 + ... + 602027.

It is an arithmetic number, because the mean of its divisors is an integer number (78950214).

Almost surely, 2^1212255323 is an apocalyptic number.

1212255323 is a deficient number, since it is larger than the sum of its proper divisors (50948101).

1212255323 is a wasteful number, since it uses less digits than its factorization.

1212255323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302.

The product of its digits is 3600, while the sum is 26.

The square root of 1212255323 is about 34817.4571587300. The cubic root of 1212255323 is about 1066.2638856974.

Adding to 1212255323 its reverse (3235522121), we get a palindrome (4447777444).

The spelling of 1212255323 in words is "one billion, two hundred twelve million, two hundred fifty-five thousand, three hundred twenty-three".