121421301332 has 24 divisors (see below), whose sum is σ = 219359546112. Its totient is φ = 58747464000.

The previous prime is 121421301289. The next prime is 121421301359. The reversal of 121421301332 is 233103124121.

It is a junction number, because it is equal to n+sod(n) for n = 121421301298 and 121421301307.

It is a congruent number.

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, 1851707 + ... + 1916157.

It is an arithmetic number, because the mean of its divisors is an integer number (9139981088).

Almost surely, 2^121421301332 is an apocalyptic number.

It is an amenable number.

121421301332 is a deficient number, since it is larger than the sum of its proper divisors (97938244780).

121421301332 is a wasteful number, since it uses less digits than its factorization.

121421301332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79679 (or 79677 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 121421301332 its reverse (233103124121), we get a palindrome (354524425453).

The spelling of 121421301332 in words is "one hundred twenty-one billion, four hundred twenty-one million, three hundred one thousand, three hundred thirty-two".