121634051306 has 8 divisors (see below), whose sum is σ = 192053765280. Its totient is φ = 57616129548.

The previous prime is 121634051233. The next prime is 121634051327. The reversal of 121634051306 is 603150436121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121634051306² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600448006 + ... + 1600448081.

It is an arithmetic number, because the mean of its divisors is an integer number (24006720660).

Almost surely, 2^121634051306 is an apocalyptic number.

121634051306 is a deficient number, since it is larger than the sum of its proper divisors (70419713974).

121634051306 is a wasteful number, since it uses less digits than its factorization.

121634051306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200896108.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 121634051306 its reverse (603150436121), we get a palindrome (724784487427).

The spelling of 121634051306 in words is "one hundred twenty-one billion, six hundred thirty-four million, fifty-one thousand, three hundred six".