4021212422432 has 24 divisors (see below), whose sum is σ = 7921217196396. Its totient is φ = 2009474721792.

The previous prime is 4021212422429. The next prime is 4021212422471. The reversal of 4021212422432 is 2342242121204.

It can be written as a sum of positive squares in 2 ways, for example, as 3615489285136 + 405723137296 = 1901444^2 + 636964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4021212422395 and 4021212422404.

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, 35301293 + ... + 35415020.

Almost surely, 2^{4021212422432} is an apocalyptic number.

It is an amenable number.

4021212422432 is a deficient number, since it is larger than the sum of its proper divisors (3900004773964).

4021212422432 is a wasteful number, since it uses less digits than its factorization.

4021212422432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70718100 (or 70718092 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 4021212422432 its reverse (2342242121204), we get a palindrome (6363454543636).

The spelling of 4021212422432 in words is "four trillion, twenty-one billion, two hundred twelve million, four hundred twenty-two thousand, four hundred thirty-two".