234222012420451 has 4 divisors (see below), whose sum is σ = 255514922640504. Its totient is φ = 212929102200400.

The previous prime is 234222012420427. The next prime is 234222012420457. The reversal of 234222012420451 is 154024210222432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234222012420451 - 2¹³ = 234222012412259 is a prime.

It is a super-2 number, since 2×234222012420451² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234222012420457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10646455110010 + ... + 10646455110031.

It is an arithmetic number, because the mean of its divisors is an integer number (63878730660126).

Almost surely, 2^{234222012420451} is an apocalyptic number.

234222012420451 is a deficient number, since it is larger than the sum of its proper divisors (21292910220053).

234222012420451 is a wasteful number, since it uses less digits than its factorization.

234222012420451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21292910220052.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 234222012420451 its reverse (154024210222432), we get a palindrome (388246222642883).

The spelling of 234222012420451 in words is "two hundred thirty-four trillion, two hundred twenty-two billion, twelve million, four hundred twenty thousand, four hundred fifty-one".