121000252710 has 32 divisors (see below), whose sum is σ = 293899415040. Its totient is φ = 31877977568.

The previous prime is 121000252697. The next prime is 121000252721. The reversal of 121000252710 is 17252000121.

It is a super-2 number, since 2×121000252710² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24294750 + ... + 24299729.

It is an arithmetic number, because the mean of its divisors is an integer number (9184356720).

Almost surely, 2^121000252710 is an apocalyptic number.

121000252710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121000252710 is an abundant number, since it is smaller than the sum of its proper divisors (172899162330).

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

121000252710 is a wasteful number, since it uses less digits than its factorization.

121000252710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48594572.

The product of its (nonzero) digits is 280, while the sum is 21.

Adding to 121000252710 its reverse (17252000121), we get a palindrome (138252252831).

The spelling of 121000252710 in words is "one hundred twenty-one billion, two hundred fifty-two thousand, seven hundred ten".