121302022340 has 12 divisors (see below), whose sum is σ = 254734246956. Its totient is φ = 48520808928.

The previous prime is 121302022249. The next prime is 121302022349. The reversal of 121302022340 is 43220203121.

It can be written as a sum of positive squares in 2 ways, for example, as 59719629376 + 61582392964 = 244376^2 + 248158^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 6065101117 = 121302022340 / (1 + 2 + 1 + 3 + 0 + 2 + 0 + 2 + 2 + 3 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (121302022349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3032550539 + ... + 3032550578.

It is an arithmetic number, because the mean of its divisors is an integer number (21227853913).

Almost surely, 2^121302022340 is an apocalyptic number.

121302022340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121302022340 is an abundant number, since it is smaller than the sum of its proper divisors (133432224616).

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

121302022340 is a wasteful number, since it uses less digits than its factorization.

121302022340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065101126 (or 6065101124 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 121302022340 its reverse (43220203121), we get a palindrome (164522225461).

The spelling of 121302022340 in words is "one hundred twenty-one billion, three hundred two million, twenty-two thousand, three hundred forty".