2130012154 has 4 divisors (see below), whose sum is σ = 3195018234. Its totient is φ = 1065006076.

The previous prime is 2130012121. The next prime is 2130012179. The reversal of 2130012154 is 4512100312.

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

It can be written as a sum of positive squares in only one way, i.e., 1267004025 + 863008129 = 35595^2 + 29377^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 532503037 + ... + 532503040.

Almost surely, 2^2130012154 is an apocalyptic number.

2130012154 is a deficient number, since it is larger than the sum of its proper divisors (1065006080).

2130012154 is a wasteful number, since it uses less digits than its factorization.

2130012154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065006079.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2130012154 is about 46152.0547104893. The cubic root of 2130012154 is about 1286.6507984685.

Adding to 2130012154 its reverse (4512100312), we get a palindrome (6642112466).

The spelling of 2130012154 in words is "two billion, one hundred thirty million, twelve thousand, one hundred fifty-four".