2153646542212 has 24 divisors (see below), whose sum is σ = 4115758933440. Its totient is φ = 977917889760.

The previous prime is 2153646542197. The next prime is 2153646542237. The reversal of 2153646542212 is 2122456463512.

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, 25265887 + ... + 25350982.

It is an arithmetic number, because the mean of its divisors is an integer number (171489955560).

Almost surely, 2^{2153646542212} is an apocalyptic number.

2153646542212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2153646542212 is a deficient number, since it is larger than the sum of its proper divisors (1962112391228).

2153646542212 is a wasteful number, since it uses less digits than its factorization.

2153646542212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50617851 (or 50617849 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

It can be divided in two parts, 215364 and 6542212, that added together give a palindrome (6757576).

The spelling of 2153646542212 in words is "two trillion, one hundred fifty-three billion, six hundred forty-six million, five hundred forty-two thousand, two hundred twelve".