2071223506842 has 64 divisors (see below), whose sum is σ = 5004783313920. Its totient is φ = 558225730944.

The previous prime is 2071223506831. The next prime is 2071223506843. The reversal of 2071223506842 is 2486053221702.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2071223506794 and 2071223506803.

It is not an unprimeable number, because it can be changed into a prime (2071223506843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5383848 + ... + 5755715.

It is an arithmetic number, because the mean of its divisors is an integer number (78199739280).

Almost surely, 2^{2071223506842} is an apocalyptic number.

2071223506842 is an abundant number, since it is smaller than the sum of its proper divisors (2933559807078).

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

2071223506842 is a wasteful number, since it uses less digits than its factorization.

2071223506842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11139827.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 2071223506842 in words is "two trillion, seventy-one billion, two hundred twenty-three million, five hundred six thousand, eight hundred forty-two".