3700120020121 has 8 divisors (see below), whose sum is σ = 4228905752640. Its totient is φ = 3171383577168.

The previous prime is 3700120020001. The next prime is 3700120020299. The reversal of 3700120020121 is 1210200210073.

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-3700120020121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3700120023121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12161386 + ... + 12461923.

It is an arithmetic number, because the mean of its divisors is an integer number (528613219080).

Almost surely, 2^{3700120020121} is an apocalyptic number.

It is an amenable number.

3700120020121 is a deficient number, since it is larger than the sum of its proper divisors (528785732519).

3700120020121 is a wasteful number, since it uses less digits than its factorization.

3700120020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24644783.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 3700120020121 its reverse (1210200210073), we get a palindrome (4910320230194).

The spelling of 3700120020121 in words is "three trillion, seven hundred billion, one hundred twenty million, twenty thousand, one hundred twenty-one".