38720451141212 has 12 divisors (see below), whose sum is σ = 67765703712840. Its totient is φ = 19358821508976.

The previous prime is 38720451141209. The next prime is 38720451141247. The reversal of 38720451141212 is 21214115402783.

It is a self number, because there is not a number n which added to its sum of digits gives 38720451141212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350953358 + ... + 351063669.

It is an arithmetic number, because the mean of its divisors is an integer number (5647141976070).

Almost surely, 2^{38720451141212} is an apocalyptic number.

It is an amenable number.

38720451141212 is a deficient number, since it is larger than the sum of its proper divisors (29045252571628).

38720451141212 is a wasteful number, since it uses less digits than its factorization.

38720451141212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702030820 (or 702030818 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

Adding to 38720451141212 its reverse (21214115402783), we get a palindrome (59934566543995).

The spelling of 38720451141212 in words is "thirty-eight trillion, seven hundred twenty billion, four hundred fifty-one million, one hundred forty-one thousand, two hundred twelve".