1212422432242 has 32 divisors (see below), whose sum is σ = 2085273590400. Its totient is φ = 517902747648.

The previous prime is 1212422432213. The next prime is 1212422432267. The reversal of 1212422432242 is 2422342242121.

It is a super-2 number, since 2×1212422432242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7594413 + ... + 7752415.

It is an arithmetic number, because the mean of its divisors is an integer number (65164799700).

Almost surely, 2^{1212422432242} is an apocalyptic number.

1212422432242 is a deficient number, since it is larger than the sum of its proper divisors (872851158158).

1212422432242 is a wasteful number, since it uses less digits than its factorization.

1212422432242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159810.

The product of its digits is 24576, while the sum is 31.

Adding to 1212422432242 its reverse (2422342242121), we get a palindrome (3634764674363).

The spelling of 1212422432242 in words is "one trillion, two hundred twelve billion, four hundred twenty-two million, four hundred thirty-two thousand, two hundred forty-two".