2124021532451 has 8 divisors (see below), whose sum is σ = 2614180347744. Its totient is φ = 1680544509120.

The previous prime is 2124021532447. The next prime is 2124021532511. The reversal of 2124021532451 is 1542351204212.

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

It is a cyclic number.

It is not a de Polignac number, because 2124021532451 - 2² = 2124021532447 is a prime.

It is a super-2 number, since 2×2124021532451² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2124021532441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11670447890 + ... + 11670448071.

It is an arithmetic number, because the mean of its divisors is an integer number (326772543468).

Almost surely, 2^{2124021532451} is an apocalyptic number.

2124021532451 is a deficient number, since it is larger than the sum of its proper divisors (490158815293).

2124021532451 is a wasteful number, since it uses less digits than its factorization.

2124021532451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23340895981.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 2124021532451 its reverse (1542351204212), we get a palindrome (3666372736663).

The spelling of 2124021532451 in words is "two trillion, one hundred twenty-four billion, twenty-one million, five hundred thirty-two thousand, four hundred fifty-one".