450123351002122 has 48 divisors (see below), whose sum is σ = 786060170421480. Its totient is φ = 192752660403072.

The previous prime is 450123351002033. The next prime is 450123351002219. The reversal of 450123351002122 is 221200153321054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 420145415507601 + 29977935494521 = 20497449^2 + 5475211^2 .

It is a super-2 number, since 2×450123351002122² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686408548 + ... + 687064000.

Almost surely, 2^{450123351002122} is an apocalyptic number.

450123351002122 is a deficient number, since it is larger than the sum of its proper divisors (335936819419358).

450123351002122 is a wasteful number, since it uses less digits than its factorization.

450123351002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661175 (or 661168 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 450123351002122 in words is "four hundred fifty trillion, one hundred twenty-three billion, three hundred fifty-one million, two thousand, one hundred twenty-two".