129445162022 has 16 divisors (see below), whose sum is σ = 212064832512. Its totient is φ = 58770522120.

The previous prime is 129445162019. The next prime is 129445162039. The reversal of 129445162022 is 220261544921.

It is a happy number.

It is a super-2 number, since 2×129445162022² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389978 + ... + 3427949.

It is an arithmetic number, because the mean of its divisors is an integer number (13254052032).

Almost surely, 2^129445162022 is an apocalyptic number.

129445162022 is a deficient number, since it is larger than the sum of its proper divisors (82619670490).

129445162022 is a wasteful number, since it uses less digits than its factorization.

129445162022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818803.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 129445162022 in words is "one hundred twenty-nine billion, four hundred forty-five million, one hundred sixty-two thousand, twenty-two".