121222012001320 has 16 divisors (see below), whose sum is σ = 272749527003060. Its totient is φ = 48488804800512.

The previous prime is 121222012001317. The next prime is 121222012001407. The reversal of 121222012001320 is 23100210222121.

It can be written as a sum of positive squares in 2 ways, for example, as 120340505080324 + 881506920996 = 10969982^2 + 938886^2 .

It is a super-2 number, since 2×121222012001320² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515275149977 + ... + 1515275150056.

Almost surely, 2^{121222012001320} is an apocalyptic number.

121222012001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121222012001320 is an abundant number, since it is smaller than the sum of its proper divisors (151527515001740).

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

121222012001320 is a wasteful number, since it uses less digits than its factorization.

121222012001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030550300044 (or 3030550300040 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121222012001320 its reverse (23100210222121), we get a palindrome (144322222223441).

The spelling of 121222012001320 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, twelve million, one thousand, three hundred twenty".