62121220057 has 8 divisors (see below), whose sum is σ = 67117694336. Its totient is φ = 57155877072.

The previous prime is 62121220039. The next prime is 62121220061. The reversal of 62121220057 is 75002212126.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62121220057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62121220067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7778673 + ... + 7786654.

It is an arithmetic number, because the mean of its divisors is an integer number (8389711792).

Almost surely, 2^62121220057 is an apocalyptic number.

It is an amenable number.

62121220057 is a deficient number, since it is larger than the sum of its proper divisors (4996474279).

62121220057 is a wasteful number, since it uses less digits than its factorization.

62121220057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15565647.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 62121220057 in words is "sixty-two billion, one hundred twenty-one million, two hundred twenty thousand, fifty-seven".