2212545655140 has 192 divisors, whose sum is σ = 7029740680704. Its totient is φ = 516805926912.

The previous prime is 2212545655109. The next prime is 2212545655153. The reversal of 2212545655140 is 415565452122.

2212545655140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2212545655092 and 2212545655101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 406459 + ... + 2142498.

It is an arithmetic number, because the mean of its divisors is an integer number (36613232712).

Almost surely, 2^{2212545655140} is an apocalyptic number.

2212545655140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212545655140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3514870340352).

2212545655140 is an abundant number, since it is smaller than the sum of its proper divisors (4817195025564).

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

2212545655140 is a wasteful number, since it uses less digits than its factorization.

2212545655140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549046 (or 2549044 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 2212545655140 in words is "two trillion, two hundred twelve billion, five hundred forty-five million, six hundred fifty-five thousand, one hundred forty".