32012221412 has 12 divisors (see below), whose sum is σ = 56052925740. Its totient is φ = 15997099776.

The previous prime is 32012221349. The next prime is 32012221429. The reversal of 32012221412 is 21412221023.

It can be written as a sum of positive squares in 2 ways, for example, as 24518549056 + 7493672356 = 156584^2 + 86566^2 .

It is a super-2 number, since 2×32012221412² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2244737 + ... + 2258952.

It is an arithmetic number, because the mean of its divisors is an integer number (4671077145).

Almost surely, 2^32012221412 is an apocalyptic number.

It is an amenable number.

32012221412 is a deficient number, since it is larger than the sum of its proper divisors (24040704328).

32012221412 is a wasteful number, since it uses less digits than its factorization.

32012221412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505470 (or 4505468 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 32012221412 its reverse (21412221023), we get a palindrome (53424442435).

The spelling of 32012221412 in words is "thirty-two billion, twelve million, two hundred twenty-one thousand, four hundred twelve".