121232220301420 has 24 divisors (see below), whose sum is σ = 254606056947648. Its totient is φ = 48489384441600.

The previous prime is 121232220301399. The next prime is 121232220301481. The reversal of 121232220301420 is 24103022232121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218696196 + ... + 219249835.

It is an arithmetic number, because the mean of its divisors is an integer number (10608585706152).

Almost surely, 2^{121232220301420} is an apocalyptic number.

121232220301420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121232220301420 is an abundant number, since it is smaller than the sum of its proper divisors (133373836646228).

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

121232220301420 is a wasteful number, since it uses less digits than its factorization.

121232220301420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437959881 (or 437959879 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121232220301420 its reverse (24103022232121), we get a palindrome (145335242533541).

The spelling of 121232220301420 in words is "one hundred twenty-one trillion, two hundred thirty-two billion, two hundred twenty million, three hundred one thousand, four hundred twenty".