1220432141143 has 16 divisors (see below), whose sum is σ = 1257606531360. Its totient is φ = 1183785501184.

The previous prime is 1220432141129. The next prime is 1220432141179. The reversal of 1220432141143 is 3411412340221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1220432141143 - 2²⁵ = 1220398586711 is a prime.

It is a super-3 number, since 3×1220432141143³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220432141843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46227555 + ... + 46253947.

It is an arithmetic number, because the mean of its divisors is an integer number (78600408210).

Almost surely, 2^{1220432141143} is an apocalyptic number.

1220432141143 is a deficient number, since it is larger than the sum of its proper divisors (37174390217).

1220432141143 is an equidigital number, since it uses as much as digits as its factorization.

1220432141143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36338.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1220432141143 its reverse (3411412340221), we get a palindrome (4631844481364).

The spelling of 1220432141143 in words is "one trillion, two hundred twenty billion, four hundred thirty-two million, one hundred forty-one thousand, one hundred forty-three".