44620136251212 has 48 divisors (see below), whose sum is σ = 109703906278400. Its totient is φ = 14076350735040.

The previous prime is 44620136251211. The next prime is 44620136251283. The reversal of 44620136251212 is 21215263102644.

It is not an unprimeable number, because it can be changed into a prime (44620136251211) 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, 98513887 + ... + 98965782.

Almost surely, 2^{44620136251212} is an apocalyptic number.

It is an amenable number.

44620136251212 is an abundant number, since it is smaller than the sum of its proper divisors (65083770027188).

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

44620136251212 is a wasteful number, since it uses less digits than its factorization.

44620136251212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197480686 (or 197480684 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 44620136251212 its reverse (21215263102644), we get a palindrome (65835399353856).

The spelling of 44620136251212 in words is "forty-four trillion, six hundred twenty billion, one hundred thirty-six million, two hundred fifty-one thousand, two hundred twelve".