121322241430 has 32 divisors (see below), whose sum is σ = 235343664864. Its totient is φ = 44764444416.

The previous prime is 121322241409. The next prime is 121322241431. The reversal of 121322241430 is 34142223121.

It is a junction number, because it is equal to n+sod(n) for n = 121322241395 and 121322241404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121322241431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141487 + ... + 512506.

It is an arithmetic number, because the mean of its divisors is an integer number (7354489527).

Almost surely, 2^121322241430 is an apocalyptic number.

121322241430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121322241430 is a deficient number, since it is larger than the sum of its proper divisors (114021423434).

121322241430 is a wasteful number, since it uses less digits than its factorization.

121322241430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655440.

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

Adding to 121322241430 its reverse (34142223121), we get a palindrome (155464464551).

The spelling of 121322241430 in words is "one hundred twenty-one billion, three hundred twenty-two million, two hundred forty-one thousand, four hundred thirty".