101542212456 has 16 divisors (see below), whose sum is σ = 253855531200. Its totient is φ = 33847404144.

The previous prime is 101542212451. The next prime is 101542212461. The reversal of 101542212456 is 654212245101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101542212451) and next prime (101542212461).

It is not an unprimeable number, because it can be changed into a prime (101542212451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2115462736 + ... + 2115462783.

It is an arithmetic number, because the mean of its divisors is an integer number (15865970700).

Almost surely, 2^101542212456 is an apocalyptic number.

It is an amenable number.

101542212456 is an abundant number, since it is smaller than the sum of its proper divisors (152313318744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101542212456 is a wasteful number, since it uses less digits than its factorization.

101542212456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230925528 (or 4230925524 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 101542212456 its reverse (654212245101), we get a palindrome (755754457557).

The spelling of 101542212456 in words is "one hundred one billion, five hundred forty-two million, two hundred twelve thousand, four hundred fifty-six".