2012213154 has 16 divisors (see below), whose sum is σ = 4599344448. Its totient is φ = 574918032.

The previous prime is 2012213101. The next prime is 2012213173. The reversal of 2012213154 is 4513122102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2012213154.

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 in 7 ways as a sum of consecutive naturals, for example, 23954877 + ... + 23954960.

It is an arithmetic number, because the mean of its divisors is an integer number (287459028).

Almost surely, 2^2012213154 is an apocalyptic number.

2012213154 is an abundant number, since it is smaller than the sum of its proper divisors (2587131294).

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

2012213154 is a wasteful number, since it uses less digits than its factorization.

2012213154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47909849.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2012213154 is about 44857.6989378635. The cubic root of 2012213154 is about 1262.4804488558.

Adding to 2012213154 its reverse (4513122102), we get a palindrome (6525335256).

The spelling of 2012213154 in words is "two billion, twelve million, two hundred thirteen thousand, one hundred fifty-four".