121000252712 has 16 divisors (see below), whose sum is σ = 227824747200. Its totient is φ = 60246986800.

The previous prime is 121000252697. The next prime is 121000252721. The reversal of 121000252712 is 217252000121.

It is a super-2 number, since 2×121000252712² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31640414 + ... + 31644237.

It is an arithmetic number, because the mean of its divisors is an integer number (14239046700).

Almost surely, 2^121000252712 is an apocalyptic number.

It is an amenable number.

121000252712 is a deficient number, since it is larger than the sum of its proper divisors (106824494488).

121000252712 is a wasteful number, since it uses less digits than its factorization.

121000252712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63284896 (or 63284892 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 121000252712 its reverse (217252000121), we get a palindrome (338252252833).

The spelling of 121000252712 in words is "one hundred twenty-one billion, two hundred fifty-two thousand, seven hundred twelve".