1212301214432 has 192 divisors, whose sum is σ = 3030611770368. Its totient is φ = 463658496000.

The previous prime is 1212301214417. The next prime is 1212301214471. The reversal of 1212301214432 is 2344121032121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40747082 + ... + 40776822.

It is an arithmetic number, because the mean of its divisors is an integer number (15784436304).

Almost surely, 2^{1212301214432} 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 1212301214432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515305885184).

1212301214432 is an abundant number, since it is smaller than the sum of its proper divisors (1818310555936).

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

1212301214432 is a wasteful number, since it uses less digits than its factorization.

1212301214432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30073 (or 30065 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1212301214432 its reverse (2344121032121), we get a palindrome (3556422246553).

The spelling of 1212301214432 in words is "one trillion, two hundred twelve billion, three hundred one million, two hundred fourteen thousand, four hundred thirty-two".