122003261400 has 96 divisors (see below), whose sum is σ = 383855163840. Its totient is φ = 32048607360.

The previous prime is 122003261389. The next prime is 122003261411. The reversal of 122003261400 is 4162300221.

It is an interprime number because it is at equal distance from previous prime (122003261389) and next prime (122003261411).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1477254 + ... + 1557653.

It is an arithmetic number, because the mean of its divisors is an integer number (3998491290).

Almost surely, 2^122003261400 is an apocalyptic number.

122003261400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122003261400 is an abundant number, since it is smaller than the sum of its proper divisors (261851902440).

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

122003261400 is a wasteful number, since it uses less digits than its factorization.

122003261400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034993 (or 3034984 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 122003261400 its reverse (4162300221), we get a palindrome (126165561621).

The spelling of 122003261400 in words is "one hundred twenty-two billion, three million, two hundred sixty-one thousand, four hundred".