122220430143400 has 48 divisors (see below), whose sum is σ = 284423919632640. Its totient is φ = 48843196651200.

The previous prime is 122220430143373. The next prime is 122220430143401. The reversal of 122220430143400 is 4341034022221.

It is not an unprimeable number, because it can be changed into a prime (122220430143401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280878346 + ... + 281313145.

It is an arithmetic number, because the mean of its divisors is an integer number (5925498325680).

Almost surely, 2^{122220430143400} is an apocalyptic number.

122220430143400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122220430143400 is an abundant number, since it is smaller than the sum of its proper divisors (162203489489240).

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

122220430143400 is a wasteful number, since it uses less digits than its factorization.

122220430143400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562192594 (or 562192585 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 122220430143400 its reverse (4341034022221), we get a palindrome (126561464165621).

The spelling of 122220430143400 in words is "one hundred twenty-two trillion, two hundred twenty billion, four hundred thirty million, one hundred forty-three thousand, four hundred".