121443102421430 has 64 divisors (see below), whose sum is σ = 227208846953088. Its totient is φ = 46697363343360.

The previous prime is 121443102421427. The next prime is 121443102421457. The reversal of 121443102421430 is 34124201344121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12821900 + ... + 20181360.

It is an arithmetic number, because the mean of its divisors is an integer number (3550138233642).

Almost surely, 2^{121443102421430} is an apocalyptic number.

121443102421430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121443102421430 is a deficient number, since it is larger than the sum of its proper divisors (105765744531658).

121443102421430 is a wasteful number, since it uses less digits than its factorization.

121443102421430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7360041.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 121443102421430 its reverse (34124201344121), we get a palindrome (155567303765551).

The spelling of 121443102421430 in words is "one hundred twenty-one trillion, four hundred forty-three billion, one hundred two million, four hundred twenty-one thousand, four hundred thirty".