451212121212154 has 16 divisors (see below), whose sum is σ = 679009862576736. Its totient is φ = 224875795359600.

The previous prime is 451212121212121. The next prime is 451212121212247.

451212121212154 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70690012 + ... + 76808215.

It is an arithmetic number, because the mean of its divisors is an integer number (42438116411046).

Almost surely, 2^{451212121212154} is an apocalyptic number.

451212121212154 is a deficient number, since it is larger than the sum of its proper divisors (227797741364582).

451212121212154 is a wasteful number, since it uses less digits than its factorization.

451212121212154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147503181.

The product of its digits is 12800, while the sum is 34.

The spelling of 451212121212154 in words is "four hundred fifty-one trillion, two hundred twelve billion, one hundred twenty-one million, two hundred twelve thousand, one hundred fifty-four".