2142452312051 has 4 divisors (see below), whose sum is σ = 2142484128504. Its totient is φ = 2142420495600.

The previous prime is 2142452312023. The next prime is 2142452312071. The reversal of 2142452312051 is 1502132542412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142452312051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2142452311999 and 2142452312017.

It is not an unprimeable number, because it can be changed into a prime (2142452312071) 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, 15807005 + ... + 15941966.

It is an arithmetic number, because the mean of its divisors is an integer number (535621032126).

Almost surely, 2^{2142452312051} is an apocalyptic number.

2142452312051 is a deficient number, since it is larger than the sum of its proper divisors (31816453).

2142452312051 is an equidigital number, since it uses as much as digits as its factorization.

2142452312051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31816452.

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

Adding to 2142452312051 its reverse (1502132542412), we get a palindrome (3644584854463).

The spelling of 2142452312051 in words is "two trillion, one hundred forty-two billion, four hundred fifty-two million, three hundred twelve thousand, fifty-one".