2212770378147 has 16 divisors (see below), whose sum is σ = 3386564778240. Its totient is φ = 1258918640352.

The previous prime is 2212770378121. The next prime is 2212770378151. The reversal of 2212770378147 is 7418730772122.

It is not a de Polignac number, because 2212770378147 - 2⁸ = 2212770377891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212770378147.

It is not an unprimeable number, because it can be changed into a prime (2212770378187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230060733 + ... + 230070350.

It is an arithmetic number, because the mean of its divisors is an integer number (211660298640).

Almost surely, 2^{2212770378147} is an apocalyptic number.

2212770378147 is a deficient number, since it is larger than the sum of its proper divisors (1173794400093).

2212770378147 is a wasteful number, since it uses less digits than its factorization.

2212770378147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460131322.

The product of its (nonzero) digits is 1843968, while the sum is 51.

The spelling of 2212770378147 in words is "two trillion, two hundred twelve billion, seven hundred seventy million, three hundred seventy-eight thousand, one hundred forty-seven".