122020147400 has 96 divisors (see below), whose sum is σ = 297088128000. Its totient is φ = 46519334400.

The previous prime is 122020147357. The next prime is 122020147411. The reversal of 122020147400 is 4741020221.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1245401 + ... + 1339799.

It is an arithmetic number, because the mean of its divisors is an integer number (3094668000).

Almost surely, 2^122020147400 is an apocalyptic number.

122020147400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122020147400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148544064000).

122020147400 is an abundant number, since it is smaller than the sum of its proper divisors (175067980600).

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

122020147400 is a wasteful number, since it uses less digits than its factorization.

122020147400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94719 (or 94710 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 122020147400 its reverse (4741020221), we get a palindrome (126761167621).

The spelling of 122020147400 in words is "one hundred twenty-two billion, twenty million, one hundred forty-seven thousand, four hundred".