1201022311032 has 64 divisors (see below), whose sum is σ = 3341378109600. Its totient is φ = 399716167680.

The previous prime is 1201022311007. The next prime is 1201022311033. The reversal of 1201022311032 is 2301132201021.

It is a super-2 number, since 2×1201022311032² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1201022310996 and 1201022311014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201022311033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4198743 + ... + 4475654.

Almost surely, 2^{1201022311032} is an apocalyptic number.

1201022311032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201022311032 is an abundant number, since it is smaller than the sum of its proper divisors (2140355798568).

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

1201022311032 is a wasteful number, since it uses less digits than its factorization.

1201022311032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8675053 (or 8675043 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1201022311032 its reverse (2301132201021), we get a palindrome (3502154512053).

The spelling of 1201022311032 in words is "one trillion, two hundred one billion, twenty-two million, three hundred eleven thousand, thirty-two".