1212612032 has 56 divisors (see below), whose sum is σ = 2542397760. Its totient is φ = 572902400.

The previous prime is 1212612019. The next prime is 1212612043. The reversal of 1212612032 is 2302162121.

It is a junction number, because it is equal to n+sod(n) for n = 1212611995 and 1212612013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80282 + ... + 94182.

It is an arithmetic number, because the mean of its divisors is an integer number (45399960).

Almost surely, 2^1212612032 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 1212612032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271198880).

1212612032 is an abundant number, since it is smaller than the sum of its proper divisors (1329785728).

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

1212612032 is a wasteful number, since it uses less digits than its factorization.

1212612032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13989 (or 13979 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1212612032 is about 34822.5793415709. The cubic root of 1212612032 is about 1066.3684589991.

Adding to 1212612032 its reverse (2302162121), we get a palindrome (3514774153).

The spelling of 1212612032 in words is "one billion, two hundred twelve million, six hundred twelve thousand, thirty-two".