2151106012 has 24 divisors (see below), whose sum is σ = 4108003200. Its totient is φ = 977454960.

The previous prime is 2151106007. The next prime is 2151106039. The reversal of 2151106012 is 2106011512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174393 + ... + 186319.

It is an arithmetic number, because the mean of its divisors is an integer number (171166800).

Almost surely, 2^2151106012 is an apocalyptic number.

2151106012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2151106012 is a deficient number, since it is larger than the sum of its proper divisors (1956897188).

2151106012 is a wasteful number, since it uses less digits than its factorization.

2151106012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16041 (or 16039 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 2151106012 is about 46380.0173781770. The cubic root of 2151106012 is about 1290.8841588020.

Adding to 2151106012 its reverse (2106011512), we get a palindrome (4257117524).

It can be divided in two parts, 215110 and 6012, that added together give a palindrome (221122).

The spelling of 2151106012 in words is "two billion, one hundred fifty-one million, one hundred six thousand, twelve".