2125454012 has 48 divisors (see below), whose sum is σ = 4293886464. Its totient is φ = 911064000.

The previous prime is 2125454003. The next prime is 2125454027. The reversal of 2125454012 is 2104545212.

It is a super-2 number, since 2×2125454012² = 9035109514253792288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57062 + ... + 86642.

It is an arithmetic number, because the mean of its divisors is an integer number (89455968).

Almost surely, 2^2125454012 is an apocalyptic number.

2125454012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2125454012 is an abundant number, since it is smaller than the sum of its proper divisors (2168432452).

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

2125454012 is a wasteful number, since it uses less digits than its factorization.

2125454012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29690 (or 29688 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2125454012 is about 46102.6464750127. The cubic root of 2125454012 is about 1285.7323490208.

Adding to 2125454012 its reverse (2104545212), we get a palindrome (4229999224).

The spelling of 2125454012 in words is "two billion, one hundred twenty-five million, four hundred fifty-four thousand, twelve".