121452454210 has 8 divisors (see below), whose sum is σ = 218614417596. Its totient is φ = 48580981680.

The previous prime is 121452454181. The next prime is 121452454217. The reversal of 121452454210 is 12454254121.

It can be written as a sum of positive squares in 2 ways, for example, as 116661184249 + 4791269961 = 341557^2 + 69219^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121452454217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6072622701 + ... + 6072622720.

Almost surely, 2^121452454210 is an apocalyptic number.

121452454210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121452454210 is a deficient number, since it is larger than the sum of its proper divisors (97161963386).

121452454210 is a wasteful number, since it uses less digits than its factorization.

121452454210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12145245428.

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 121452454210 in words is "one hundred twenty-one billion, four hundred fifty-two million, four hundred fifty-four thousand, two hundred ten".