1242619209213 has 16 divisors (see below), whose sum is σ = 1715909308416. Its totient is φ = 799367460080.

The previous prime is 1242619209193. The next prime is 1242619209287. The reversal of 1242619209213 is 3129029162421.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242619209213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242619209913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62052681 + ... + 62072702.

It is an arithmetic number, because the mean of its divisors is an integer number (107244331776).

Almost surely, 2^{1242619209213} is an apocalyptic number.

It is an amenable number.

1242619209213 is a deficient number, since it is larger than the sum of its proper divisors (473290099203).

1242619209213 is a wasteful number, since it uses less digits than its factorization.

1242619209213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124125504.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 1242619209213 in words is "one trillion, two hundred forty-two billion, six hundred nineteen million, two hundred nine thousand, two hundred thirteen".