121542252062 has 48 divisors (see below), whose sum is σ = 229347051360. Its totient is φ = 47286866880.

The previous prime is 121542252059. The next prime is 121542252071. The reversal of 121542252062 is 260252245121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1150448 + ... + 1251644.

It is an arithmetic number, because the mean of its divisors is an integer number (4778063570).

Almost surely, 2^121542252062 is an apocalyptic number.

121542252062 is a deficient number, since it is larger than the sum of its proper divisors (107804799298).

121542252062 is a wasteful number, since it uses less digits than its factorization.

121542252062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101937 (or 101926 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 121542252062 its reverse (260252245121), we get a palindrome (381794497183).

The spelling of 121542252062 in words is "one hundred twenty-one billion, five hundred forty-two million, two hundred fifty-two thousand, sixty-two".