1212625362 has 64 divisors (see below), whose sum is σ = 2668417920. Its totient is φ = 367278912.

The previous prime is 1212625339. The next prime is 1212625363. The reversal of 1212625362 is 2635262121.

It is not an unprimeable number, because it can be changed into a prime (1212625363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 882508 + ... + 883880.

It is an arithmetic number, because the mean of its divisors is an integer number (41694030).

Almost surely, 2^1212625362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212625362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334208960).

1212625362 is an abundant number, since it is smaller than the sum of its proper divisors (1455792558).

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

1212625362 is a wasteful number, since it uses less digits than its factorization.

1212625362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 1458 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 1212625362 is about 34822.7707398478. The cubic root of 1212625362 is about 1066.3723664427.

Adding to 1212625362 its reverse (2635262121), we get a palindrome (3847887483).

The spelling of 1212625362 in words is "one billion, two hundred twelve million, six hundred twenty-five thousand, three hundred sixty-two".