1212516941 has 8 divisors (see below), whose sum is σ = 1255007520. Its totient is φ = 1170071728.

The previous prime is 1212516937. The next prime is 1212516953. The reversal of 1212516941 is 1496152121.

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

It is a cyclic number.

It is not a de Polignac number, because 1212516941 - 2² = 1212516937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1212516898 and 1212516907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212516931) 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, 48470 + ... + 69096.

It is an arithmetic number, because the mean of its divisors is an integer number (156875940).

Almost surely, 2^1212516941 is an apocalyptic number.

It is an amenable number.

1212516941 is a deficient number, since it is larger than the sum of its proper divisors (42490579).

1212516941 is a wasteful number, since it uses less digits than its factorization.

1212516941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22683.

The product of its digits is 4320, while the sum is 32.

The square root of 1212516941 is about 34821.2139506939. The cubic root of 1212516941 is about 1066.3405839956.

The spelling of 1212516941 in words is "one billion, two hundred twelve million, five hundred sixteen thousand, nine hundred forty-one".