70212121012150 has 72 divisors (see below), whose sum is σ = 141776564379840. Its totient is φ = 25857830344320.

The previous prime is 70212121012081. The next prime is 70212121012171. The reversal of 70212121012150 is 5121012121207.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7393062 + ... + 13967161.

It is an arithmetic number, because the mean of its divisors is an integer number (1969118949720).

Almost surely, 2^{70212121012150} is an apocalyptic number.

70212121012150 is an abundant number, since it is smaller than the sum of its proper divisors (71564443367690).

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

70212121012150 is a wasteful number, since it uses less digits than its factorization.

70212121012150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21360650 (or 21360632 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 25.

Adding to 70212121012150 its reverse (5121012121207), we get a palindrome (75333133133357).

The spelling of 70212121012150 in words is "seventy trillion, two hundred twelve billion, one hundred twenty-one million, twelve thousand, one hundred fifty".