121423425052 has 6 divisors (see below), whose sum is σ = 212490993848. Its totient is φ = 60711712524.

The previous prime is 121423424939. The next prime is 121423425107. The reversal of 121423425052 is 250524324121.

It is a happy number.

It is a super-2 number, since 2×121423425052² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15177928128 + ... + 15177928135.

Almost surely, 2^121423425052 is an apocalyptic number.

It is an amenable number.

121423425052 is a deficient number, since it is larger than the sum of its proper divisors (91067568796).

121423425052 is a wasteful number, since it uses less digits than its factorization.

121423425052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30355856267 (or 30355856265 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 121423425052 its reverse (250524324121), we get a palindrome (371947749173).

The spelling of 121423425052 in words is "one hundred twenty-one billion, four hundred twenty-three million, four hundred twenty-five thousand, fifty-two".