612101216 has 24 divisors (see below), whose sum is σ = 1233102024. Its totient is φ = 298932480.

The previous prime is 612101197. The next prime is 612101219.

612101216 is nontrivially palindromic in base 10.

612101216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612101219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221045 + ... + 223796.

It is an arithmetic number, because the mean of its divisors is an integer number (51379251).

Almost surely, 2^612101216 is an apocalyptic number.

It is an amenable number.

612101216 is an abundant number, since it is smaller than the sum of its proper divisors (621000808).

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

612101216 is a wasteful number, since it uses less digits than its factorization.

612101216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444894 (or 444886 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 612101216 is about 24740.6793762823. The cubic root of 612101216 is about 849.0652774467.

It can be divided in two parts, 61210 and 1216, that added together give a palindrome (62426).

The spelling of 612101216 in words is "six hundred twelve million, one hundred one thousand, two hundred sixteen".