1201001223422 has 128 divisors (see below), whose sum is σ = 2448593473536. Its totient is φ = 426628800000.

The previous prime is 1201001223391. The next prime is 1201001223427. The reversal of 1201001223422 is 2243221001021.

It is a super-2 number, since 2×1201001223422² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201001223394 and 1201001223403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201001223427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87142172 + ... + 87155952.

It is an arithmetic number, because the mean of its divisors is an integer number (19129636512).

Almost surely, 2^{1201001223422} is an apocalyptic number.

1201001223422 is an abundant number, since it is smaller than the sum of its proper divisors (1247592250114).

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

1201001223422 is a wasteful number, since it uses less digits than its factorization.

1201001223422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14346.

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

Adding to 1201001223422 its reverse (2243221001021), we get a palindrome (3444222224443).

The spelling of 1201001223422 in words is "one trillion, two hundred one billion, one million, two hundred twenty-three thousand, four hundred twenty-two".