2142450542412 has 36 divisors (see below), whose sum is σ = 5415742551856. Its totient is φ = 714136508640.

The previous prime is 2142450542411. The next prime is 2142450542447.

2142450542412 is a `hidden beast` number, since 2 + 1 + 4 + 24 + 50 + 542 + 41 + 2 = 666.

2142450542412 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×2142450542412³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2142450542411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1433337 + ... + 2517807.

Almost surely, 2^{2142450542412} is an apocalyptic number.

It is an amenable number.

2142450542412 is an abundant number, since it is smaller than the sum of its proper divisors (3273292009444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2142450542412 is a wasteful number, since it uses less digits than its factorization.

2142450542412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139358 (or 1139353 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

It can be divided in two parts, 2142450 and 542412, that added together give a palindrome (2684862).

The spelling of 2142450542412 in words is "two trillion, one hundred forty-two billion, four hundred fifty million, five hundred forty-two thousand, four hundred twelve".