122261693477 has 32 divisors (see below), whose sum is σ = 156670329600. Its totient is φ = 92653862400.

The previous prime is 122261693459. The next prime is 122261693479. The reversal of 122261693477 is 774396162221.

It is not a de Polignac number, because 122261693477 - 2¹⁶ = 122261627941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122261693479) 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, 271799 + ... + 564267.

It is an arithmetic number, because the mean of its divisors is an integer number (4895947800).

Almost surely, 2^122261693477 is an apocalyptic number.

It is an amenable number.

122261693477 is a deficient number, since it is larger than the sum of its proper divisors (34408636123).

122261693477 is a wasteful number, since it uses less digits than its factorization.

122261693477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292637.

The product of its digits is 1524096, while the sum is 50.

The spelling of 122261693477 in words is "one hundred twenty-two billion, two hundred sixty-one million, six hundred ninety-three thousand, four hundred seventy-seven".