121425142232 has 32 divisors (see below), whose sum is σ = 235389158400. Its totient is φ = 58660912800.

The previous prime is 121425142229. The next prime is 121425142247. The reversal of 121425142232 is 232241524121.

It is a super-2 number, since 2×121425142232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121425142195 and 121425142204.

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, 231482 + ... + 544457.

It is an arithmetic number, because the mean of its divisors is an integer number (7355911200).

Almost surely, 2^121425142232 is an apocalyptic number.

It is an amenable number.

121425142232 is a deficient number, since it is larger than the sum of its proper divisors (113964016168).

121425142232 is a wasteful number, since it uses less digits than its factorization.

121425142232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776607 (or 776603 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

Adding to 121425142232 its reverse (232241524121), we get a palindrome (353666666353).

The spelling of 121425142232 in words is "one hundred twenty-one billion, four hundred twenty-five million, one hundred forty-two thousand, two hundred thirty-two".