121230606546 has 48 divisors (see below), whose sum is σ = 304670543424. Its totient is φ = 34120338912.

The previous prime is 121230606527. The next prime is 121230606557. The reversal of 121230606546 is 645606032121.

121230606546 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 3 + 0 + 606 + 5 + 46 = 666.

It is a super-2 number, since 2×121230606546² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121230606546.

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, 7171765 + ... + 7188648.

It is an arithmetic number, because the mean of its divisors is an integer number (6347302988).

Almost surely, 2^121230606546 is an apocalyptic number.

121230606546 is an abundant number, since it is smaller than the sum of its proper divisors (183439936878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121230606546 is a wasteful number, since it uses less digits than its factorization.

121230606546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14360495 (or 14360492 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 121230606546 its reverse (645606032121), we get a palindrome (766836638667).

The spelling of 121230606546 in words is "one hundred twenty-one billion, two hundred thirty million, six hundred six thousand, five hundred forty-six".